title: Hydralazine versus placebo in CHF - preliminary results from a multicenter long term study in Sweden.
mesh_terms: D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D006333:Heart Failure / Q000188:drug therapy*; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D006830:Hydralazine / Q000009:adverse effects / Q000627:therapeutic use*; D005082:Physical Exertion; D011897:Random Allocation; D013548:Sweden
chemical_list: D006830:Hydralazine