Margo McCaffery

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Margo McCaffery is an American registered nurse and pioneer of the field of pain management nursing. McCaffery's oft-quoted definition of pain as "whatever the experiencing person says it is, existing whenever and wherever the person say it does" has become the prevailing conceptualisation of pain for clinicians over the past few decades.[1]


  1. ^ Rosdahl, Caroline Bunker; Mary T. Kowalski (2007). Textbook of basic nursing. Lippincott Williams & Wilkins. p. 704. ISBN 978-0-7817-6521-3.