Arwel Thomas
Journal of Paramedic Practice, Vol. 1, Iss. 3, 01 Dec 2009, pp 104 - 108

This article gives an overview of the principles of pharmacodynamics—the effect that drugs have on the body. A basic understanding of this aspect of pharmacology and in particular how drugs interact with the four main types of regulatory proteins (receptors, enzymes, ion channels and carrier molecules) is important in understanding their therapeutic and adverse effects.

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