000 00553nam a2200205Ia 4500
008 180116s1974 xxu||||| |||| 00| 0 eng d
020 _a0470054042
082 _aWM300
_bBAR
100 _a Baroff George S.
245 _aMental retardation
_bnature, cause, and management
250 _a
260 _aWashington, D.C
_bHemisphere Publishing
_c1974
300 _a504 p.
_b24 cm.
440 _a
_v
500 _a
520 _a Mental Retardation, Mental Disorders
650 _aMental Disorders
650 _aMental Retardation
906 _a420
_b
_c
999 _c18617
_d18617