共 5 条
- [1] [Anonymous], SEMIN ORTHOD
- [2] [Anonymous], Guide to research methods - the evidence pyramid
- [3] Moher David, 2010, J Clin Epidemiol, V63, pe1, DOI [10.1136/bmj.c869, 10.1016/j.ijsu.2011.10.001, 10.1016/j.jclinepi.2010.03.004]
- [4] Santoro MichaelA., 2005, Ethics and the Pharmaceutical Industry