[Hygienic aspects of the 9th 5-year plan of development of the national economy of the USSR (1971-1975)].
D004782:Environmental Health; D006285:Health Planning; D009747:Nutritional Physiological Phenomena; D011638:Public Housing; D014586:USSR; D014881:Water Supply
Gigienicheskie aspekty deviatogo piatiletnego plana razvitiia narodnogo khoziaĭstva SSSR (1971-1975 gg.