D. W Kimberlin, J Escude, J Gantner, J Ott, M Dronet, T. A Stewart, P Jester, D. T Redden, W Chapman and R. Hammond
Archives of Pediatrics and Adolescent Medicine 164 ( 4 ): 323 - 327 , 2010
R. Hammond, J. N. Buah, P.A. Asare and S. Acheampong
Asian Journal of Biotechnology 6 ( 2 ): 25 - 37 , 2014