http://plus.mcmaster.ca/EvidenceUpdates/NewArticles.aspx?Page=1ArticleID=35646#Data Pasternak B, Hviid A. Use of acyclovir, valacyclovir, and famciclovir in the first trimester of pregnancy and the risk of birth defects. JAMA. 2010 Aug 25;304(8):859-66. (Original) PMID: 20736469 ...
http://plus.mcmaster.ca/EvidenceUpdates/NewArticles.aspx?Page=1ArticleID=35558#Data Burstein HJ, Prestrud AA, Seidenfeld J, et al. American society of clinical oncology clinical practice guideline: update on adjuvant endocrine therapy for women with hormone receptor-positive breast cance ...