title: Janusz Korczak.
authors: Hebrew University-Hadassah Medical School.
authors: E
authors: E
authors: Shafrir
mesh_terms: D002648:Child; D002675:Child, Preschool; D049673:History, 20th Century; D006801:Humans; D010372:Pediatrics; D010678:Philately; D011044:Poland; D014857:Warfare