[Observations on infant mortality].
D000328:Adult; D000367:Age Factors; D005260:Female; D005860:Germany, West; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008423:Maternal Age; D008875:Middle Aged; D013548:Sweden
Betrachtungen zur Säuglingssterblichkeit.