[Problems of premature infant mortality, as developed in a yearly survey].
D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature / Q000706:statistics & numerical data*; D061213:Mortality, Premature; D011247:Pregnancy; D011295:Prenatal Care; D014798:Vital Statistics
INFANT, PREMATURE/statistics; PRENATAL CARE; VITAL STATISTICS
Probleme der Frühgeborenen-Sterblichkeit an Hand einer Jahresübersicht.