BEER, J. H. Vitamin K antagonists are hard to beat by the price – are they? Some answers, new questions and the GPs’ dilemma. Swiss Medical Weekly, [S. l.], v. 143, n. 0102, p. w13739, 2012. DOI: 10.4414/smw.2013.13739. Disponível em: https://smw.ch/index.php/smw/article/view/1804. Acesso em: 28 sep. 2024.