title: [Johann Metzig (1804-1868) -- German physician and friend of Poles].
mesh_terms: D005858:Germany; D049672:History, 19th Century; D008887:Military Medicine / Q000266:history; D011044:Poland; D011057:Politics
vernacular_title: Niemiecki lekarz Jan Metzig (1804--1868) -- przyjacielem polaków.