Withholding unfavourable results in drug company sponsored clinical trials.
D002986:Clinical Trials as Topic; D003625:Data Collection; D004311:Double-Blind Method; D004345:Drug Industry; D006801:Humans; D011465:Prostaglandins, Synthetic / Q000627:therapeutic use; D011897:Random Allocation; D011899:Ranitidine / Q000627:therapeutic use; D013276:Stomach Ulcer / Q000188:drug therapy
D011465:Prostaglandins, Synthetic; D011899:Ranitidine