Social class selection and class differences in relation to stillbirths and infant deaths.
D001699:Biometry; D005260:Female; D006801:Humans; D007223:Infant / Q000706:statistics & numerical data; D066088:Infant Death; D011247:Pregnancy; D012923:Social Class; D012961:Sociology; D050497:Stillbirth; D014798:Vital Statistics
INFANT/statistics; SOCIOLOGY; VITAL STATISTICS