KNEGTMANS, P. G.J. Bremer, Hora est. Proefschriften van huisartsen 1900-1995. BMGN - Low Countries Historical Review, [S. l.], v. 116, n. 2, p. 258–259, 2001. DOI: 10.18352/bmgn-lchr.5486. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106300. Acesso em: 24 apr. 2024.