By Lester Helen   Campbell Stephen M   McDonald Ruth   in British Journal of General Practice

ISSN:1478-5242|59|569|908-915

Royal College of General Practitioners‎(2009)‎

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By Martinez Yolanda   Campbell Stephen M   Hann Mark   Bower Peter   in Quality in Primary Care

ISSN:1479-1064|22|6|262-269

Radcliffe Press‎(2014)‎

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By Campbell Stephen M.   Wahlert Lance   in American Journal of Bioethics

ISSN:1536-0075|15|6|20-22

Routledge Ltd‎(2015)‎

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