title: [MACIEJ LEON JAKUBOWSKI--HIS LIFE AND WORK].
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D010372:Pediatrics; D011044:Poland
keywords: BIOGRAPHIES; HISTORY; PEDIATRICS; POLAND
vernacular_title: MACIEJ LEON JAKUBOWSKI--JEGO ZYCIE I DZIELO.