Named after John Macdonald (psychiatrist), who proposed it in the 1960s.
"macdonald-triad." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/macdonald-triad>.
macdonald-triad. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/macdonald-triad
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