Tricks and traps in dental clinical trials.
D002986:Clinical Trials as Topic / Q000379:methods*; D003937:Diagnosis, Differential; D004311:Double-Blind Method; D006801:Humans; D009059:Mouth Diseases / Q000175:diagnosis; D011897:Random Allocation; D012107:Research Design; D013223:Statistics as Topic; D014076:Tooth Diseases / Q000175:diagnosis