title: [Clinical studies in the treatment of premature systoles with alkaloids of Corydalis yanhusuo].
mesh_terms: D000328:Adult; D000368:Aged; D000470:Alkaloids / Q000627:therapeutic use*; D005117:Cardiac Complexes, Premature / Q000188:drug therapy*; D002681:China; D004305:Dose-Response Relationship, Drug; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010946:Plants, Medicinal; D013599:Systole
chemical_list: D000470:Alkaloids