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Valkhoff VE, Coloma PM, Masclee GM, Gini R, Innocenti F, Lapi F, Molokhia M, Mosseveld M, Nielsson MS, Schuemie M, Thiessard F, van der Lei J, Sturkenboom MC, Trifirò G; EU-ADR Consortium.Valkhoff VE, et al. Among authors: nielsson ms.J Clin Epidemiol. 2014 Aug;67(8):921-31. doi: 10.1016/j.jclinepi.2014.02.020. Epub 2014 May 1.J Clin Epidemiol. 2014.PMID: 24794575
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