title: Plasma levels of verapamil and its major metabolites during long-term oral treatment, in chronic stable angina. Correlation with the clinical effects of the drug.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000787:Angina Pectoris / Q000097:blood* / Q000188:drug therapy; D004334:Drug Administration Schedule; D005080:Exercise Test; D006801:Humans; D008297:Male; D008875:Middle Aged; D014700:Verapamil / Q000097:blood* / Q000627:therapeutic use
chemical_list: D014700:Verapamil