Ferrante M. Hyperpigmentation of the oral cavity type Laugier-Hunziker. Eur. J. Pediat. Dermatol. [Internet]. 2013 June 30 [cited 2026 Sept. 9];23(2): 126. Available from: https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/936