title: [New stage in the cooperation with the Soviet Union and socialist countries].
mesh_terms: D003604:Czechoslovakia; D005061:Europe, Eastern; D007391:International Cooperation; D011634:Public Health; D012950:Socialism; D014586:USSR
vernacular_title: Do nové etapy spolupráce se Sovĕtským svaem a socialistickými zemĕmi