TY - RPRT TI - Rheumatoid factor in bladder tumors. AU - N P Gupta AU - A N Malaviya AU - S M Singh PY - 1978 DO - 10.1016/s0022-5347(17)57142-6 UR - https://pubmed.ncbi.nlm.nih.gov/682245/ ID - 682245 ER -