1. Site of bladder tumour recurrence;Boyd, P.R.J.; Burnand, K.G.;Lancet,1974
2. Prognostic parameters in superficial bladder cancer: An analysis of 315 cases;Lutzeyer, W.; Rubben, H.; Dahm, H.;J Urol,1982
3. Prognostic factors in non-infiltrating carcinoma of the bladder: a preliminary report;Pocock, R.D.; Ponder, B.A.J.; O'Sullivan, J.P.; Ibrahim, S.K.; Easton, D.F.; Shearer, R.J.;Br J Urol,1982
4. Ta and T1 bladder cancer: location, recurrence and progression;Heney, N.M.; Nocks, B.N.; Daly, J.J.;Br J Urol,1982
5. Prognostic factors in superficial bladder tumors. A study of the European Organisation for Research on Treatment ofCancer: Genitourinary Tract Cooperative Group;Dalesio 0, Shulman CC, Sylvester R;J Urol,1983