title: [Introduction (inquiry, status of research, sources and literature)].
mesh_terms: D002410:Catholicism / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D018594:Human Body; D006801:Humans; D012068:Religion and Medicine; D012922:Social Change; D012945:Social Values; D014671:Vatican City