000 00312nam a2200121Ia 4500
008 230401s2013 xx 000 0 eng d
100 _aDolly Singh
245 0 _aMental Retardation and Associated problem
250 _aFIRST
260 _bKANISHKA PUBLISHER NEW DELHI
_c2013
300 _a382
942 _2ddc
_cPGDRP
999 _c2621
_d2621