title: A particularly bothersome umbilical nodule.
authors.affiliation: Department of Dermatology, University of Florence, Florence, Italy.
authors.forename: Susanna
authors.initials: S
authors.lastname: Rossari
authors.forename: Marta
authors.initials: M
authors.lastname: Grazzini
authors.forename: Imma
authors.initials: I
authors.lastname: Savarese
authors.forename: Anna Sara
authors.initials: AS
authors.lastname: Longo
authors.forename: Teresa
authors.initials: T
authors.lastname: Oranges
authors.forename: Alessia
authors.initials: A
authors.lastname: Gori
authors.forename: Daniela
authors.initials: D
authors.lastname: Massi
authors.forename: Laura Giorgi Vincenzo
authors.initials: LG
authors.lastname: de Giorgi
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