title: [65th birthday of Dr. Z. Maratka].
mesh_terms: D001634:Bibliographies as Topic; D003604:Czechoslovakia; D005762:Gastroenterology / Q000266:history*; D049673:History, 20th Century
vernacular_title: Pĕtasedesátiny doc. MUDr. Z. Maratky, DrSc.