[Low birth-weight infants].
D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology; D007234:Infant, Premature; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011295:Prenatal Care
Pôrody plodov s nízkou hmotnost'ou.