title: Red plaque after hepatitis B vaccination.
authors.affiliation: National Skin Centre, Singapore. docmark@pacific.net.sg
authors.forename: Mark Jean Aan
authors.initials: MJ
authors.lastname: Koh
authors.forename: Wei Sheng
authors.initials: WS
authors.lastname: Chong
mesh_terms: D017325:Hepatitis B Vaccines / Q000009:adverse effects*; D006801:Humans; D007223:Infant; D008297:Male; D008407:Mast Cells; D034801:Mastocytoma / Q000139:chemically induced* / Q000473:pathology; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000139:chemically induced* / Q000473:pathology
chemical_list: D017325:Hepatitis B Vaccines