000			00787nam a2200265 a 4500
005			20210219153119.0
008			991125n 000 0 u
035			_aUPN01000078919
100			_aPennington, Bruce F.
222			_aJOURNAL OF LEARNING DISABILITIES
245			_aThe external validity of age-versus IQ-discrepancy definitions of reading disability : lessons from a twin study / [et al.]
300			_a562-573
362			_a25, No. 9, 1992
505			_aMayo 1993
653	0		_aDIFERENCIAS DE EDAD
653	0		_aDIFERENCIAS INTELECTUALES
653	0		_aETIOLOGIA
653	0		_aGENETICA
653	0		_aREADING DIFFICULTIES
653	0		_aVALIDEZ
700			_aGilger, Jeffrey W.
700			_aOlson, Richard K.
904			_aAC _b016730
905			_aArticulo
999			_c68828 _d68828