title: [Letter: Anaphylactic shock due to hydroxocobalamine].
mesh_terms: D000707:Anaphylaxis / Q000139:chemically induced*; D003128:Coma / Q000139:chemically induced; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008875:Middle Aged; D014805:Vitamin B 12 / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D014805:Vitamin B 12
vernacular_title: Choc anaphylactique du à l'hydroxocobalamine.