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- [5] BIOCHEMICAL ASSESSMENT OF FETAL LUNG MATURITY AUSTRALIAN & NEW ZEALAND JOURNAL OF OBSTETRICS & GYNAECOLOGY, 1974, 14 (02): : 77 - 82
- [8] NEW METHOD FOR ASSESSMENT OF FETAL LUNG MATURITY BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1976, 83 (11): : 838 - 844