title: Multiple PyodermaGangrenosumUlcers Associated with Cocaine Abuse.
authors.affiliation: Department of Dermatology, Complejo Hospitalario de Granada, Granada, Spain.
authors.forename: Ricardo
authors.initials: R
authors.lastname: Ruiz-Villaverde
authors.affiliation: Department of Internal Medicine, Hospital Santa Ana, Motril, Spain.
authors.forename: Daniel
authors.initials: D
authors.lastname: Sánchez-Cano