Margo McCaffery - Wikipedia Margo McCaffery The topic of this article may not meet Wikipedia 's notability guideline for biographies. Please help to establish notability by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond its mere trivial mention. If notability can not be established, the article is likely to be merged, redirected, or deleted. Find sources : `` Margo McCaffery '' -- news newspapers books scholar JSTOR ( October 2009 ) 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. References Jump up ^ Rosdahl, Caroline Bunker ; Mary T. Kowalski ( 2007 ). Textbook of basic nursing. Lippincott Williams & Wilkins. p. 704. ISBN 978 - 0 - 7817 - 6521 - 3. This biographical article about a nurse is a stub. You can help Wikipedia by expanding it. Retrieved from `` https://en.wikipedia.org/w/index.php?title=Margo_McCaffery&oldid=763850713 '' Categories : Living people American nurses Nurse stubs Hidden categories : Articles with topics of unclear notability from October 2009 All articles with topics of unclear notability Year of birth missing ( living people ) All stub articles Talk About Wikipedia Add links This page was last edited on 5 February 2017, at 16 : 06. About Wikipedia

Question: who said pain is what the patient says it is
Answer: Margo McCaffery