Lower mortality for female-female twins than male-male and male-female twins in rural Senegal
Epidemiology (Cambridge, Mass.), 1995-07, Vol.6 (4), p.419 [Peer Reviewed Journal]ISSN: 1044-3983 ;EISSN: 1531-5487 ;DOI: 10.1097/00001648-199507000-00016 ;PMID: 7548352
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