Haemel Anna K, O'Brian Amy L, Teng Joyce M
Departments of Dermatology and Pediatrics, University of Wisconsin School of Medicine and Public Health, 1 S Park St, Seventh Floor, Madison, WI 53715.
Arch Dermatol. 2010 Jul;146(7):715-8. doi: 10.1001/archdermatol.2010.125.