Schulman C C, Rozencweig M, Staquet M, Kenis Y, Sylvester R
Eur Urol. 1976;2(6):271-3. doi: 10.1159/000472028.
A randomized clinical trial was designed by the European Organization for Research on Treatment of Cancer (EORTC) to compare the disease-free interval, the degree of malignancy of recurrence and the 5-year survival rate in stage I papillary carcinoma of the bladder after TUR only, and after TUR followed either by local thiotepa or by local VM 26 chemotherapy.