[Epidemiological methods in the study of abortion].
S I
SI
Sleptsova
D000022:Abortion, Spontaneous / Q000209:etiology / Q000517:prevention & control*; D001330:Electronic Data Processing; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D009031:Moscow; D011247:Pregnancy; D011795:Surveys and Questionnaires
Epidemiologicheskie metody izucheniia nevynashivaniia beremennosti.