[45] Donald P.J (1991) “Marijuana and upper aerodigestive tract malignancy in young patients”, in Nahas, G. and C. Latour (eds.), Physiopathology of Illicit Drugs: Cannabis, Cocaine, Opiates, 39-54, Oxford; and (1991) “Advanced malignancy in the young marijuana smoker”, in Friedman, H. et al., (eds.), Drugs of Abuse, Immunity and Immunodeficiency, 33-36, London.
[45] Donald P.J (1991) « Marijuana and upper aerodigestive tract malignancy in young patients », in Nahas, G. et C. Latour (eds.), Physiopathology of Illicit Drugs: Cannabis, Cocaine, Opiates, pages 39-54, Oxford ; et (1991) « Advanced malignancy in the young marijuana smoker », in Friedman, H. et coll., (eds.), Drugs of Abuse, Immunity and Immunodeficiency, pages 33-36, London.