@article {Murray1187, author = {W. B. Murray and R. W. Buckingham, 3rd}, title = {Implications of participant observation in medical studies}, volume = {115}, number = {12}, pages = {1187--1190}, year = {1976}, publisher = {CMAJ}, issn = {0820-3946}, URL = {https://www.cmaj.ca/content/115/12/1187}, eprint = {https://www.cmaj.ca/content}, journal = {CMAJ} }