title: [New stage in the cooperation of scientists from socialist countries in the field of oncology].
mesh_terms: D002031:Bulgaria; D003462:Cuba; D003604:Czechoslovakia; D005859:Germany, East; D006801:Humans; D006814:Hungary; D007391:International Cooperation; D008986:Mongolia; D009369:Neoplasms; D011044:Poland; D012106:Research; D012383:Romania; D014586:USSR; D015022:Yugoslavia
vernacular_title: Novyĭ étap sotrudnichestva uchenykh sotsialisticheskikh stran v oblasti onkologii