Smith Lauren C, Funkhouser William K, Campion Edmund R, Morrell Dean S
Departments of Dermatology, University of North Carolina School of Medicine, Chapel Hill, North Carolina 27514, USA.
Pediatr Dermatol. 2009 Nov-Dec;26(6):747-8. doi: 10.1111/j.1525-1470.2009.01026.x.