Edgar, J D M The United Kingdom Primary Immune Deficiency (UKPID) Registry: report of the first 4 years' activity 2008-2012. [electronic resource] - Clinical and experimental immunology Jan 2014 - 68-78 p. digital Publication Type: Clinical Trial; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't ISSN: 1365-2249 Standard No.: 10.1111/cei.12172 doi Subjects--Topical Terms: FemaleHumansImmunologic Deficiency Syndromes--diagnosisInternetMaleRegistriesUnited Kingdom--epidemiology