Smoking of cannabis does not increase risk for oral cancer
http://www.cannabis-med.org/english/…l.php?id=175#1
Marijuana use and Risk of Oral Squamous Cell Carcinoma
http://web.archive.org/web/200601121…lCarcinoma.pdf
http://www.cannabis-med.org/english/…l.php?id=175#1
Marijuana use and Risk of Oral Squamous Cell Carcinoma
http://web.archive.org/web/200601121…lCarcinoma.pdf