The diagnosis of the invasion of measles from a study of the exanthema as it appears on the buccal mucous membraneBy Henry Koplik, M.D. Reproduced from Arch. Paed. 13, 918-922 (1886).
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University Department of Medical Microbiology and Alder Hey Children's Hospital, Liverpool University, Duncan Building, Daulby St, Liverpool L69 3GA, UK.