[BASIC STATISTICAL CONCEPTS IN THE PERINATAL PERIOD].
D001699:Biometry; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D036801:Parturition; D011247:Pregnancy
CZECHOSLOVAKIA; INFANT; INFANT MORTALITY
Z'AKLADN'I STATISTICK'E POJMY PERINAT'ALN'IHO OBDOB'I.