Stam, H.

heart perfusion muscle effect release cyclic calcium prostaglandin level ischemia contractility control perfused catecholamines glucose metabolism adenosine intracellular action contractile activity condition tissue function chloroquine membrane cyclic amp change energy hypoxia palmitate flow rate ischemic apex displacement perfused rat hearts 11 mm glucose contraction rat hearts increase lactate regulation sarcoplasmic reticulum myocardium biophy lipolysi perfused rat heart flow rates enzyme muscle cells lipase rat heart oxygen inhibition concentration paper study appendix lactate release result displacement norepinephrine mechanism reduction decrease phosphate ratio biochem stimulation acid perfusion research pressure microsphere pharmacal period experiment energy charge artery cyclase reticulum figure