title: [Basic trends of scientific investigations of Prof. M. S. Maslov].
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D010372:Pediatrics / Q000266:history; D012426:Russia
vernacular_title: Osnovnoe napravlenie nauchnykh issledovaniĭ  Prof. M. S. Maslova.