RT Journal Article SR Electronic T1 Psoriasis with Auspitz sign JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 31 OP 31-a DO 10.1503/cmaj.060423 VO 175 IS 1 A1 Ahmad Ayaz Sabri A1 Muhammad Ahad Qayyum YR 2006 UL http://www.cmaj.ca/content/175/1/31.2.abstract