Potentiating effect of potassium on skeletal muscle twitch.
D000200:Action Potentials; D000818:Animals; D001001:Anura; D006358:Hot Temperature; D008722:Methods; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects; D009566:Nitrates / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology*
D009566:Nitrates; D011188:Potassium