title: Cholesterol crystals in an eroded rheumatoid shoulder.
authors.affiliation: Rheumatology Unit, Department of Internal Medicine Universidad Nacional de Colombia Santafé de Bogot , Colombia.
authors.forename: E F
authors.initials: EF
authors.lastname: Illera
authors.forename: P C
authors.initials: PC
authors.lastname: Choueka
authors.forename: J F
authors.initials: JF
authors.lastname: Restrepo Suarez
authors.forename: F R
authors.initials: FR
authors.lastname: Herrera
authors.forename: A I
authors.initials: AI
authors.lastname: Gamarra