Effects of calcium on the spontaneous contractions of the isolated ventricle of the snail Helix pomatia.
D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D006321:Heart / Q000494:pharmacology*; D006352:Heart Ventricles; D006372:Helix, Snails; D012908:Snails / Q000494:pharmacology*
D002118:Calcium
CALCIUM/pharmacology; HEART/pharmacology; SNAILS/pharmacology