Filippini, T.* et al. Toenail selenium as an indicator of environmental exposure: A cross-sectional study. Mol. Med. Report 15, 3405-3412 (2017) Filippini, T.* et al. Determinants of serum manganese levels in an Italian population. Mol. Med. Report 15, 3340-3349 (2017) Zehnpfennig, D. et al. B-cell-specific elements enhance sustained gene expression mediated by self-replicating extrachromosomal vectors. Mol. Med. Report 3, 689-692 (2010)