title: Comparative study of alprenolol and methyldopa in previously untreated essential hypertension.
mesh_terms: D000328:Adult; D000367:Age Factors; D000526:Alprenolol / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D001794:Blood Pressure; D001835:Body Weight; D002986:Clinical Trials as Topic; D003404:Creatinine / Q000097:blood; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008750:Methyldopa / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D008875:Middle Aged; D005082:Physical Exertion; D011187:Posture
chemical_list: D008750:Methyldopa; D000526:Alprenolol; D003404:Creatinine