@misc{indiciae24b0b1860591, title = {Pre-cancerous changes in bladder epithelium.}, author = {R O Schade and J Swinney}, year = {1968}, doi = {10.1016/s0140-6736(68)91169-0}, url = {https://pubmed.ncbi.nlm.nih.gov/4176264/}, note = {Source identifier: 4176264} }