| Literature DB >> 14074024 |
Abstract
Keywords: ABNORMALITIES; ASPHYXIA NEONATORUM; BLOOD GROUPS; DISEASES IN TWINS; ERYTHROBLASTOSIS, FETAL; FETAL DEATH; FETAL MEMBRANES; HYALINE MEMBRANE DISEASE; INFANT MORTALITY; INFANT, NEWBORN; INFANT, PREMATURE; PLACENTA; PNEUMONIA; PREGNANCY; SEX; STATISTICS; TWINS
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Year: 1963 PMID: 14074024 DOI: 10.1016/0002-9378(63)90050-4
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661