Subject
- Research Design[remove]6
- Periodicals4
- Periodical3
- Behavioral Sciences2
- Psychology, Experimental2
- behavioral sciences2
- Aparells i instruments científics1
- Behavioral Research1
- Cancer1
- Case method1
- Clinical trials1
- Conducta (Psicologia)1
- Databases1
- Education1
- Evidence-Based Medicine1
- Evidence-based medicine1
- Experimental design1
- Information storage and retrieval systems1
- Medical sciences1
- Medicine1