Phenylpropanolamine over the counter.
D001794:Blood Pressure / Q000187:drug effects; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D004366:Nonprescription Drugs / Q000009:adverse effects*; D010665:Phenylpropanolamine / Q000009:adverse effects*; D011897:Random Allocation
D004366:Nonprescription Drugs; D010665:Phenylpropanolamine