C Boutros, P Somasundar, A Razzak, S Helton and N. J. Espat
Archives of Surgery 145 ( 6 ): 515 - 520 , 2010
H. M Conklin, S Helton, J Ashford, R. K Mulhern, W. E Reddick, R Brown, M Bonner, B. W Jasper, S Wu, X Xiong and R. B. Khan
Journal of Pediatric Psychology 35 ( 2 ): 144 - 155 , 2010