Nifedipine and beta-blocker drugs.
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000368:Aged; D004347:Drug Interactions; D004359:Drug Therapy, Combination; D006333:Heart Failure / Q000139:chemically induced*; D006801:Humans; D008297:Male; D009543:Nifedipine / Q000009:adverse effects*; D011725:Pyridines / Q000009:adverse effects*
D000319:Adrenergic beta-Antagonists; D011725:Pyridines; D009543:Nifedipine