The search for a prematurity level in Colombo, Ceylon.
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de SILVA
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FERNANDO
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GUNARATNE
D001699:Biometry; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature / Q000706:statistics & numerical data*; D013188:Sri Lanka
INFANT, PREMATURE/statistics