«Umbilical cord prolapse and perinatal outcomes.». International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics. 84. PMID14871514. doi:10.1016/s0020-7292(03)00333-3
«Risk factors and infant outcomes associated with umbilical cord prolapse: a population-based case-control study among births in Washington State.». American Journal of Obstetrics and Gynecology. 170. PMID8116723. doi:10.1016/s0002-9378(94)70238-1
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«The association of umbilical cord complications and variable decelerations with acid-base findings.». Obstetrics and gynecology. 49. PMID13333
«Umbilical cord prolapse and perinatal outcomes.». International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics. 84. PMID14871514. doi:10.1016/s0020-7292(03)00333-3
«Risk factors and infant outcomes associated with umbilical cord prolapse: a population-based case-control study among births in Washington State.». American Journal of Obstetrics and Gynecology. 170. PMID8116723. doi:10.1016/s0002-9378(94)70238-1