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British Medical Journal, ISSN 0007-1447, 06/1977, Volume 1, Issue 6077, pp. 1662 - 1662
Journal Article
Science, ISSN 0036-8075, 11/1970, Volume 170, Issue 3958, pp. 584 - 584
Journal Article
The New England Journal of Medicine, ISSN 0028-4793, 11/1979, Volume 301, Issue 20, pp. 1125 - 1126
To the Editor: I think that some questions must be raised about Dr. Harlap's study in the June 28 issue. Mothers were interviewed on the first day post partum... 
Pregnancy | Menstruation | Sex Preselection | Fertilization | Humans | Female | Male | Ovulation | Infant, Newborn | Sex Ratio | Index Medicus | Abridged Index Medicus
Journal Article
2005, ISBN 0670033928, 811
Book
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