title: [The troublesome beginnings of smallpox prevention].
mesh_terms: D002648:Child; D049671:History, 18th Century; D006801:Humans; D009426:Netherlands; D012900:Smallpox Vaccine / Q000266:history*
chemical_list: D012900:Smallpox Vaccine
vernacular_title: Over het moeizame begin van de pokkenpreventie.