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- [6] Neonatal outcome of infants born at 23 weeks' gestation OBSTETRICS AND GYNECOLOGY, 2001, 97 (01): : 49 - 52
- [7] PROGNOSIS FOR INFANTS BORN AT 23 TO 28 WEEKS GESTATION BRITISH MEDICAL JOURNAL, 1987, 294 (6563): : 55 - 56
- [8] PROGNOSIS FOR INFANTS BORN AT 23 TO 28 WEEKS GESTATION BRITISH MEDICAL JOURNAL, 1986, 293 (6556): : 1200 - 1203
- [9] EXTREME IMMATURITY - OUTCOME OF 568 PREGNANCIES OF 23-26 WEEKS GESTATION OBSTETRICS AND GYNECOLOGY, 1993, 82 (01): : 1 - 7