Dobbs Trudy, Parekh Bharat S
HIV Serology and Diagnostics Laboratory, HIV Immunology and Diagnostics Branch, Division of HIV, STD and TB Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
MLO Med Lab Obs. 2003 May;35(5):12-4, 16, 19-20 passim; quiz 24-5.