RT Journal Article SR Electronic T1 Oral "hairy" leukoplakia: a clue to HIV-I exposure JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 729 OP 730 VO 136 IS 7 A1 Dylewski, J. A1 Prchal, J. YR 1987 UL http://www.cmaj.ca/content/136/7/729.abstract