000 00411nam a22001457a 4500
003 OSt
005 20191226215340.0
008 130429t xxu||||| |||| 00| 0 eng d
060 _aWM 300 M 2001
245 _aMental retardation :
_bKnowledge to action.
260 _aNew Delhi:
_bWorld Health Organization ,
_c2001.
300 _a60 p.
_bill.
_c26 cm.
650 _aMental retardation.
_911771
942 _2NLM
_cWHO PUB
999 _c3361
_d3361