document.write("
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document.write("  
Flammenkamp,\ E.\ ; Ludwig,\ E.M.\ ; Risse,\ U.\ ; Kettrup,\ A.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 347, 230-232 (1993)
");
document.write("
");
document.write("  
Günther,\ W.J.\ ; Lintelmann,\ J.\ ; Rose,\ E.\ ; Kettrup,\ A.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 347, 37-43 (1993)
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document.write("
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document.write("  
Keune,\ H.\ ; Delve,\ M.
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document.write("  
Fresenius Z. Anal. Chem. 345, 254-255 (1993)
");
document.write("
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document.write("  
Lintelmann,\ J.\ ; Mengel,\ C.\ ; Kettrup,\ A.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 346, 752-756 (1993)
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document.write("
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document.write("  
Lintelmann,\ J.\ ; Günther,\ W.J.\ ; Rose,\ E.\ ; Kettrup,\ A.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 346, 988-994 (1993)
");
document.write("
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document.write("  
Oxynos,\ K.\ ; Schladot,\ J.D.*\ ; Schmitzer,\ J.L.\ ; Backhaus,\ F.W.*\ ; Kettrup,\ A.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 345, 238-239 (1993)
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document.write("  
Bunzl,\ K.W.\ ; Kracke,\ W.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 343, 505-508 (1992)
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document.write("
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document.write("  
Filser,\ J.G.
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document.write("  
Fresenius Z. Anal. Chem. 343, 30-31 (1992)
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document.write("
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document.write("  
Zanco,\ M.\ ; Pfister,\ G.\ ; Kettrup,\ A.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 344, 345-349 (1992)
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document.write("
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document.write("  
Rosner,\ G.\ ; Hötzl,\ H.\ ; Winkler,\ R.A.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 338, 606-609 (1990)
");
document.write("
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document.write("  
Hengstmann,\ R.*\ ; Hamann,\ R.*\ ; Weber,\ H.P.*\ ; Kettrup,\ A.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 335, 982-986 (1989)
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document.write("
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document.write("  
Schramel,\ P.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 333, 203-210 (1989)
");
document.write("
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document.write("  
Parlar,\ H.A.*\ ; Becker,\ F.\ ; Müller,\ R.F.\ ; Lach,\ G.*
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 331, 804-810 (1988)
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document.write("
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document.write("  
Schmidt,\ W.F.\ ; Dietl,\ F.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 329, 853-855 (1988)
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document.write("
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document.write("  
Clausen,\ E.\ ; Lahaniatis,\ E.S.\ ; Bahadir,\ M.A.\ ; Bieniek,\ D.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 327, 297-300 (1987)
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document.write("
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document.write("  
Muntau,\ H.*\ ; Crößmann,\ G.*\ ; Schramel,\ P.\ ; Gallorini,\ M.*\ ; Orvini,\ E.*
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 326, 634-635 (1987)
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document.write("
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document.write("  
Schmidt,\ W.F.\ ; Dietl,\ F.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 326, 40-42 (1987)
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document.write("
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document.write("  
Schramel,\ P.\ ; Lill,\ G.\ ; Seif,\ R.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 326, 135-138 (1987)
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document.write("
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document.write("  
Schramel,\ P.\ ; Hasse,\ S.\ ; Knapp,\ G.*
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 326, 142-145 (1987)
");
document.write("
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document.write("  
Xu,\ Y.\ ; Lorenz,\ W.G.\ ; Pfister,\ G.\ ; Bahadir,\ M.A.\ ; Korte,\ F.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 325, 377-380 (1986)
");
document.write("
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document.write("  
Schramel,\ P.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 320, 233-236 (1985)
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document.write("
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document.write("  
Schramel,\ P.\ ; Wolf,\ A.\ ; Lill,\ G.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 317, 471-477 (1984)
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document.write("
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document.write("  
Schramel,\ P.\ ; Li-Qiang,\ X.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 319, 229-239 (1984)
");
document.write("
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document.write("  
Wolf,\ A.\ ; Schramel,\ P.\ ; Lill,\ G.\ ; Hohn,\ H.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 317, 512-519 (1984)
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document.write("
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document.write("  
Parlar,\ H.A.\ ; Coelhan,\ M.\ ; Vaughan,\ D.*\ ; Czermak,\ P.*\ ; Köhler,\ U.*\ ; Korte,\ F.*
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 315, 605-609 (1983)
");
document.write("
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document.write("  
Pfister,\ G.\ ; Gäb,\ S.\ ; Seltzer,\ H.*\ ; Korte,\ F.*
");
document.write("  
");
document.write("  
Fresenius Z. Anal. Chem. 314, 751-754 (1983)
");
document.write("
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document.write("  
Schmidt,\ W.F.\ ; Dietl,\ F.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 315, 687-690 (1983)
");
document.write("
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document.write("  
Schramel,\ P.\ ; Li-Qiang,\ X.*
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 314, 671-677 (1983)
");
document.write("
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document.write("  
Hoffmann-Fezer,\ G.\ ; Eulitz,\ M.\ ; Kummer,\ U.\ ; Zeitler,\ H.J.\ ; Thierfelder,\ S.S.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 311, 349 (1982)
");
document.write("
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document.write("  
Schramel,\ P.\ ; Klose,\ B.J.*\ ; Hasse,\ S.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 310, 209-216 (1982)
");
document.write("
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document.write("  
Schramel,\ P.\ ; Li-Qiang,\ X.\ ; Wolf,\ A.\ ; Hasse,\ S.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 313, 213-216 (1982)
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document.write("
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document.write("  
Knapp,\ G.*\ ; Raptis,\ S.E.*\ ; Kaiser,\ G.*\ ; Tölg,\ G.*\ ; Schramel,\ P.\ ; Schreiber,\ B.E.*
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 308, 97-103 (1981)
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document.write("
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document.write("  
Schramel,\ P.\ ; Klose,\ B.J.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 307, 26-30 (1981)
");
document.write("
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document.write("  
Schramel,\ P.\ ; Wolf,\ A.\ ; Seif,\ R.\ ; Klose,\ B.J.
");
document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 302, 62-64 (1980)
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document.write("
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document.write("  
Schramel,\ P.\ ; Ovcar-Pavlu,\ J.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 298, 28-31 (1979)
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document.write("
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document.write("  
Schmidt,\ W.F.\ ; Dietl,\ F.
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document.write("  
");
document.write("  
Fresenius Z. Anal. Chem. 291, 213-216 (1978)
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document.write("
");
document.write("  
Dörmér,\ P.G.\ ; Brinkmann,\ W.
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document.write("  
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document.write("  
Fresenius Z. Anal. Chem. 252, 84-89 (1970)
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