Cullingham Kyle, Hull Peter R
Division of Dermatology (Cullingham), Department of Medicine, University of Alberta, Edmonton, Alta.; Division of Dermatology (Hull), Department of Medicine, University of Saskatchewan, Saskatoon, Sask.
CMAJ. 2014 Jul 8;186(10):776. doi: 10.1503/cmaj.131846. Epub 2014 Apr 14.