The ten years follow - up study of representative sample of the low-grade mentally retarded in Poland
Treść karty:708,224 708,225 WAID IGNACY /współaut./ The ten years follow - up study of representative sample of the low-grade mentally retarded in Poland. (Pinal report). By Ignacy Wald /et al./. lifer saw 1977 8 s. nlb. 2, 4, 203, tabl. 1, il. Psychoneurological Institute