共 50 条
- [23] CONCERNING PRENATAL DIAGNOSIS IN EARLY-PREGNANCY ZEITSCHRIFT FUR GEBURTSHILFE UND PERINATOLOGIE, 1977, 181 (02): : 67 - 73
- [24] DIAGNOSIS AND TREATMENT OF DISORDERS IN EARLY-PREGNANCY ARCHIV FUR GYNAKOLOGIE, 1977, 224 (1-4): : 59 - 79
- [25] EARLY-PREGNANCY DIAGNOSIS BY ECHOTOMOGRAPHY IN THE SOW ANNALES DE ZOOTECHNIE, 1985, 34 (03): : 368 - 368
- [28] EARLY-PREGNANCY FAILURE - STUDY BY ULTRASONIC AND HORMONAL METHODS OBSTETRICS AND GYNECOLOGY, 1980, 55 (01): : 42 - 47
- [30] DIAGNOSIS OF EARLY-PREGNANCY BY ASSAY OF PLACENTAL PROTEINS BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1983, 90 (07): : 604 - 611