TY - GEN AU - Tritthart,H AU - Fleckenstein,A AU - Kaufmann,R TI - [Specific increase in relaxation velocity of the isolated ventricular myocardium of rhesus monkeys, guinea pigs and frogs produced by sympathetic transmitters, and the neutralization of this effect by beta-receptor blockade] SN - 0031-6768 PY - 1969///0117 KW - Action Potentials KW - drug effects KW - Adenosine Triphosphatases KW - metabolism KW - Animals KW - Anura KW - Biomechanical Phenomena KW - Calcium KW - pharmacology KW - Endoplasmic Reticulum KW - enzymology KW - Epinephrine KW - antagonists & inhibitors KW - Ethanolamines KW - Haplorhini KW - Heart KW - Heart Ventricles KW - In Vitro Techniques KW - Muscle Contraction KW - Myocardium KW - cytology KW - Papillary Muscles KW - physiology KW - Sensory Receptor Cells KW - Stimulation, Chemical KW - Sympathetic Nervous System N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF00596391 ER -