[Incidence of pregnancy complications in relation to geographic latitude and range of solar activity].
D005260:Female; D005843:Geography; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D013472:Sunlight; D014586:USSR
Chastota patologii beremennosti v zavisimosti ot geograficheskoĭ shiroty i kolebaniĭ solnechnoĭ aktivnosti