[Prematurity in Maternidad de Barcelona during the last three years, 1953-1955].
D001699:Biometry; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000706:statistics & numerical data*
INFANT, PREMATURE/statistics
Prematuridad de la Maternidad de Barcelona, durante el último trienio 1953-1955.