共 50 条
- [41] US Congress debates stem cell research [J]. BRITISH MEDICAL JOURNAL, 1999, 318 (7178): : 215 - 215
- [47] Embryonic stem-cell research exempt from ban, NIH is told [J]. NATURE, 1999, 397 (6716) : 185 - 186
- [49] Scientists in limbo as US Supreme Court allows modified travel ban [J]. Nature, 2017, 546 : 584 - 585