Kondo, N Calcium source for excitation-contraction coupling in myocardium of nonhibernating and hibernating chipmunks. [electronic resource] - Science (New York, N.Y.) Aug 1984 - 641-3 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.6740332 doi Subjects--Topical Terms: Action Potentials--drug effectsAnimalsCaffeine--pharmacologyCalcium--metabolismCell Membrane--metabolismFemaleHeart--drug effectsHibernationMaleMyocardial Contraction--drug effectsSciuridae--metabolism