[An observation on the effect of nicotinamide on atrioventricular block and sick sinus syndrome (author's transl)].
D000328:Adult; D000368:Aged; D005260:Female; D006327:Heart Block / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009536:Niacinamide / Q000009:adverse effects / Q000627:therapeutic use*; D012804:Sick Sinus Syndrome / Q000188:drug therapy*
D009536:Niacinamide