[Some social hygiene aspects of abortion among women of the Kalinin Province].
D000022:Abortion, Spontaneous / Q000453:epidemiology* / Q000209:etiology; D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D012424:Rural Population; D012426:Russia; D012959:Socioeconomic Factors; D014505:Urban Population
Nekotorye sotsial'no-gigienicheskie aspekty aborta sredi zhenshchin Kalininskoĭ oblast.