[CURRENT PROBLEMS IN THE CAUSES OF PREMATURE LABOR].
D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007234:Infant, Premature; D007743:Labor, Obstetric; D007752:Obstetric Labor, Premature; D011247:Pregnancy; D011295:Prenatal Care; D014937:Work
CZECHOSLOVAKIA; INFANT MORTALITY; INFANT, PREMATURE; LABOR; PREGNANCY; PRENATAL CARE
AKTU'ALN'I PROBL'EMY P R'I CIN P REDCASN'YCH PORODU.