Heart rate response to certain physiological manoeuvres: proposed measure of degree of -receptor blockade.

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@article{Fitzgerald1971HeartRR, title={Heart rate response to certain physiological manoeuvres: proposed measure of degree of -receptor blockade.}, author={J. D. L. Fitzgerald and Derek John Rowlands and G A Howitt and Edward T. Davies}, journal={British heart journal}, year={1971}, volume={33 4}, pages={614} }