000			00530cam a2200157 4500
020			_a0080068286
050	0	0	_aMED RC571 _b.C68
100	1		_aCowie, Valerie A.
245	1	2	_aA study of the early development of Mongols,
250			_a[1st ed.]
260			_aOxford, _aNew York, _bPublished for the Institute for Research into Mental Retardation by Pergamon Press _c[1970]
300			_axiii, 110 p. _billus.
500			_a"An abridged form of a thesis ... University of London ... 1967."
650		0	_aDown syndrome.
942			_cBK
999			_c9333 _d9333