Contracture of skeletal muscle by caffeine--probe for calcium action.
D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D002118:Calcium / Q000502:physiology*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D011898:Ranidae
D002110:Caffeine; D002118:Calcium