J. B Jemmott, L. S Jemmott, A O'Leary, Z Ngwane, L. D Icard, S. L Bellamy, S. F Jones, J. R Landis, G. A Heeren, J. C Tyler and M. B. Makiwane
Archives of Pediatrics and Adolescent Medicine 164 ( 10 ): 923 - 929 , 2010