1. Artificial sweeteners and cancer of the lower urinary tract;lMorrison AS; JE, Buring;N Engl J Med,1980
2. Coffee drinking and cancer of the lower urinary tract;Morrison, A.S.; Buring, J.E.; Verhoek, W.G.;JNCI,1982
3. Artificial sweeteners and bladder cancer in;Morrison, A.S.; Verhoek, W.G.; Aoki, K.;Br J Cancer,1982
4. An international study of smoking and bladder cancer;Morrison, A.S.; Buring, J.E.; Verhoek, W.G.;J Urol,1984
5. Histologic features of bladder cancer in;Morrison, A.S.; Proppe, K.H.; Verhoek, W.G.;Int J Cancer,1982