title: Double-blind trial of oral zinc sulphate in patients with leg ulcers.
mesh_terms: D000284:Administration, Oral; D002986:Clinical Trials as Topic; D006801:Humans; D007871:Leg Ulcer / Q000188:drug therapy*; D010919:Placebos; D013431:Sulfates / Q000008:administration & dosage; D015032:Zinc / Q000008:administration & dosage*
chemical_list: D010919:Placebos; D013431:Sulfates; D015032:Zinc