共 4 条
- [1] Creswell W., 2009, Research design: Qualitative, quantitative, and mixed methods approaches, V3rd
- [2] Food Drug Administration, 2010, DISQ INV LIST
- [3] Getz K., 2008, MONITOR, V22, P17
- [4] The Center for Information and Study on Clinical Research Participation, SURV PUBL OP CLIN RE