Bergonse, F.N., and M.M.S. Nico. 2000. “Granulomatous Perioral Dermatitis. Successful Treatment With Lymecycline”. European Journal of Pediatric Dermatology 10 (2):73-6. https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/134.