Medical research on trial.
D001290:Attitude; D035061:Control Groups; D005069:Evaluation Studies as Topic; D013502:General Surgery; D006331:Heart Diseases; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D007391:International Cooperation; D038622:Internationality; D009017:Morbidity; D005791:Patient Care; D004364:Pharmaceutical Preparations; D010820:Physicians; D011296:Prenatal Diagnosis; D011639:Public Opinion; D011897:Random Allocation; D012107:Research Design; D012306:Risk; D018570:Risk Assessment; D013223:Statistics as Topic
Biomedical and Behavioral Research