[Methodology of studying and preventing maternal morbidity and mortality].
Tokova
Z Z
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D005260:Female; D006801:Humans; D008428:Maternal Mortality; D008429:Maternal Welfare; D011247:Pregnancy; D012307:Risk Factors; D014586:USSR
Metodologiia izucheniia i profilaktiki materinskoĭ zabolevaemosti i smertnosti.