title: How to read clinical journals: V: To distinguish useful from useless or even harmful therapy.
mesh_terms: D002986:Clinical Trials as Topic; D004358:Drug Therapy; D004502:Education, Medical, Continuing; D006801:Humans; D010506:Periodicals as Topic / Q000592:standards*; D011897:Random Allocation; D012107:Research Design; D013223:Statistics as Topic; D013812:Therapeutics