[Our mortality from prematurity in 1959].
ENCINAS
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APARICIO
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D001699:Biometry; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature / Q000706:statistics & numerical data*
INFANT MORTALITY; INFANT, PREMATURE/statistics