共 50 条
- [21] When placebo controlled trials are essential and equivalence trials are inadequate BMJ-BRITISH MEDICAL JOURNAL, 1998, 317 (7162): : 875 - 880
- [29] Review of Randomized Placebo-Controlled Trials ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, 2020, 36 (11): : 2778 - 2779