title: Bilateral symmetrical nodules on the feet.
authors: DuPage Medical Group, Chicago, Ill, USA.
authors: Sharon H
authors: SH
authors: Fang
authors: Michael D
authors: MD
authors: Ioffreda
authors: Jeffrey J
authors: JJ
authors: Miller
authors: Klaus F
authors: KF
authors: Helm
authors: Elizabeth M
authors: EM
authors: Billingsley
mesh_terms: D000328:Adult; D003094:Collagen; D005534:Foot Diseases / Q000473:pathology*; D006801:Humans; D008297:Male
chemical_list: D003094:Collagen