共 50 条
- [1] How Many Participants are Really Enough for Usability Studies? [J]. 2014 SCIENCE AND INFORMATION CONFERENCE (SAI), 2014, : 48 - 56
- [2] Sample size: how many participants are needed in a trial? [J]. BMJ-BRITISH MEDICAL JOURNAL, 2013, 346
- [4] Sample size: how many participants are needed in a cohort study? [J]. BMJ-BRITISH MEDICAL JOURNAL, 2014, 349
- [5] HOW MANY DOCTORS ARE THERE IN FRANCE AND HOW MANY ARE NEEDED [J]. GAZETTE MEDICALE DE FRANCE, 1978, 85 (34): : 3947 - 3947