[The main ethical principles in the 20th century (I). The slow birth of a confidential ethics].
Payen
Jean-Louis
JL
Service de médecine II, hôpital de Montauban, BP 765, 82013 Montauban. jlpayen@wanadoo.fr
D004989:Ethics / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient