000 00500cam a2200181 4500
020 _a0702002879
050 1 0 _aMED RC570
_b.T73
100 1 _aTredgold, A. F.
245 1 0 _aTredgold's mental retardation.
250 _a11th ed.
260 _aBaltimore,
_bWilliams and Wilkins
_c[1970
300 _axi, 490 p.
_billus.
500 _aFirst ed., 1908, has title: Mental deficiency (amentia)
650 0 _aMental retardation.
700 1 _aTredgold, Roger,
700 1 _aSoddy, Kenneth.
942 _cBK
999 _c9336
_d9336