Topical unresponsiveness of depigmented areas.
D000937:Antigen-Antibody Reactions; D006632:Histamine / Q000494:pharmacology; D006801:Humans; D009108:Mumps Vaccine / Q000494:pharmacology; D010858:Pigmentation; D012867:Skin / Q000187:drug effects*; D012882:Skin Tests; D014765:Viral Vaccines / Q000494:pharmacology
D009108:Mumps Vaccine; D014765:Viral Vaccines; D006632:Histamine