Birth weight of infants born without congenital defects. II. Effect of tobacco and parity of the mother on the wight of the newborn infant
We analyzed the effect that number of gestations, smoking and number of cigarettes per day during pregnancy have on the birthweight using a sample of 14,097 liveborns without birth defects identifiable within the first three days of life. To our purposes, we controlled the effect of gestational age,...
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Published in: | Anales españoles de pediatría Vol. 33; no. 1; p. 16 |
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Main Authors: | , , , |
Format: | Journal Article |
Language: | Spanish |
Published: |
Spain
01-07-1990
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Subjects: | |
Online Access: | Get more information |
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