A Agarwal, D Gupta, G Yadav, P Goyal, P. K Singh and U. Singh
Anesthesia & Analgesia 109 ( 1 ): 77 - 81 , 2009
S. P Ambesh, N Singh, D Gupta, P. K Singh and U. Singh
BJA: British Journal of Anaesthesia 104 ( 1 ): 40 - 43 , 2010
U. K Singh, R Prasad, B. P Jaiswal, P. K Singh and C. P. Thakur
Journal of Tropical Pediatrics 56 ( 5 ): 321 - 324 , 2010