title: Cobalt-Induced Contact Urticaria Presenting as Chronic Urticaria Due to Intramuscular Vitamin B12 Injections.
authors.affiliation: From the *Department of Dermatology, University of Utah School of Medicine, Salt Lake City; and †The Laboratory for Investigative Dermatology, Rockefeller University, New York, NY.
authors.forename: Jordan
authors.initials: J
authors.lastname: Huber
authors.forename: Jason Ezra
authors.initials: JE
authors.lastname: Hawkes
authors.forename: Douglas L
authors.initials: DL
authors.lastname: Powell
mesh_terms: D003035:Cobalt / Q000009:adverse effects; D006801:Humans; D014581:Urticaria / Q000139:chemically induced; D014805:Vitamin B 12 / Q000008:administration & dosage
chemical_list: D003035:Cobalt; D014805:Vitamin B 12