%0 Journal Article %T Omphalolith: a rare umbilical concretion %V 10 %N 4 %P 411-412 %U http://www.odermatol.com/issue-in-html/2019-4-33-omphalolith/ %G en %J Our Dermatology Online %A Mansouri, Siham %D 2019-10-03