RT Journal Article SR Electronic T1 The headache of teenage acne JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1788 OP 1789 DO 10.1503/cmaj.1031950 VO 170 IS 12 A1 Tania Cellucci A1 Liesly Lee A1 David N. Juurlink YR 2004 UL http://www.cmaj.ca/content/170/12/1788.abstract