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Professional
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MERCK MANUAL
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
EMERGENCIES
DRUG INFO
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Drug Dynamics
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Drug Dynamics
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Definition of Drug Dynamics
Drug Action
Reversibility
Affinity and Intrinsic Activity
Potency, Efficacy, and Effectiveness
Site Selectivity
Receptors on Cells
Agonists and antagonists
Enzymes
Chemical Interactions