R Prasad, B. K Das, R Pengoria, O. P Mishra, J Shukla and T. B. Singh
Journal of Tropical Pediatrics 55 ( 6 ): 374 - 378 , 2009
U. K Singh, R Prasad, B. P Jaiswal, P. K Singh and C. P. Thakur
Journal of Tropical Pediatrics 56 ( 5 ): 321 - 324 , 2010
P Rawal, B. R Thapa, R Prasad, K. K Prasad, C. K Nain and K. Singh
Journal of Tropical Pediatrics 56 ( 6 ): 391 - 397 , 2010