@article {Johnston1579, author = {C. Johnston}, title = {Physicians should warn patients about nutrition-related scams, doctor advises}, volume = {147}, number = {10}, pages = {1579--1580}, year = {1992}, publisher = {CMAJ}, issn = {0820-3946}, URL = {https://www.cmaj.ca/content/147/10/1579}, eprint = {https://www.cmaj.ca/content}, journal = {CMAJ} }