Purnell, D Isolated human papillomavirus 18-positive extragenital bowenoid papulosis and idiopathic CD4+ lymphocytopenia. [electronic resource] - The British journal of dermatology Mar 2001 - 619-21 p. digital Publication Type: Case Reports; Journal Article ISSN: 0007-0963 Standard No.: 10.1046/j.1365-2133.2001.04097.x doi Subjects--Topical Terms: AdultBowen's Disease--virologyCD4 Lymphocyte CountFingersHumansLymphopenia--immunologyMalePapillomaviridae--classificationSkin Neoplasms--virology