- epidemiologic studies
- case-control studies
- retrospective studies
- cohort studies
- longitudinal studies
- follow-up studies
- prospective studies
- cross-sectional studies
- seroepidemiologic studies
- hiv seroprevalence
- clinical trials
- clinical trials, phase i
- clinical trials, phase ii
- clinical trials, phase iii
- clinical trials, phase iv
- controlled clinical trials
- randomized controlled trials
- multicenter studies
- feasibility studies
- intervention studies
- pilot projects
- sampling studies
- twin studies
- en/epidemiological_study_characteristics.txt
- 2024/07/27 07:41
- brahmantra
Discussion