RT Journal Article SR Electronic T1 Hair dyes and bladder cancer JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1131 OP 1133 VO 117 IS 10 A1 Jain, M. A1 Morgan, R. W. A1 Elinson, L. YR 1977 UL http://www.cmaj.ca/content/117/10/1131.abstract