The influence of twenty years on demographic and social factors related to parturients in northern Finland.
Sipilä
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P
Hartikainen-Sorri
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AL
Rantakallio
P
P
D000328:Adult; D001110:Arctic Regions; D005260:Female; D005387:Finland; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D011446:Prospective Studies; D012922:Social Change