共 50 条
- [46] Continuing decline in twin births since 2014 [J]. HUMAN REPRODUCTION, 2021, 36 (07) : 2062 - 2063
- [47] GENERALIZED BIRTH AND DEATH PROCESSES WITH TWIN BIRTHS [J]. NATIONAL ACADEMY SCIENCE LETTERS-INDIA, 1978, 1 (01): : 30 - 32
- [48] ETHNICITY AND SEX-RATIO IN TWIN BIRTHS [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1991, 40 (3-4): : 311 - 317
- [49] Analysis of neonatal clinical trials with twin births [J]. BMC MEDICAL RESEARCH METHODOLOGY, 2009, 9