共 50 条
- [5] PROGRAM ON DECREASING PERINATAL MORBIDITY AND MORTALITY-RATES IN FEMALES WITH MULTIPLE PREGNANCY VESTNIK AKADEMII MEDITSINSKIKH NAUK SSSR, 1991, (05): : 14 - 18
- [7] MORBIDITY AND MORTALITY-RATES - HANDLE WITH CARE CANADIAN VETERINARY JOURNAL-REVUE VETERINAIRE CANADIENNE, 1989, 30 (02): : 170 - 172