Kwadwo A. Kusi, Ben A. Gyan, Bamenla Q. Goka, Daniel Dodoo, George Obeng-Adjei, Marita Troye-Blomberg, Bartholomew D. Akanmori and Jonathan P. Adjimani
Clinical and Vaccine Immunology 15 ( 9 ): 1456 - 1460 , 2008