共 50 条
- [1] Sample size: how many participants are needed in a trial? [J]. BMJ-BRITISH MEDICAL JOURNAL, 2013, 346
- [2] Sample size: how many participants are needed in a cohort study? (vol 349, g6557, 2014) [J]. BMJ-BRITISH MEDICAL JOURNAL, 2014, 349
- [3] How many participants are necessary? A method to estimate the sample size in SEM [J]. ARCHIVOS ARGENTINOS DE PEDIATRIA, 2020, 118 (05): : E510 - E510
- [8] Sampling techniques and sample size calculation: How and how many participants should I select for my research? [J]. ENFERMERIA INTENSIVA, 2022, 33 (01): : 44 - 47