DEVELOPING RESPONSIVENESS TO INSTRUCTIONS IN SEVERELY AND PROFOUNDLY RETARDED RESIDENTS = DEVELOPPEMENT DU FAIT DE REPONDRE AUX INSTRUCTIONS CHEZ DES SUJETS ARRIERES PROFONDS VIVANT EN INSTITUTIONKAZDIN AE; ERICKSON LM.1975; J. BEHAV. THERAPY EXPER. PSYCHIATRY; G.B.; DA. 1975; VOL. 6; NO 1; PP. 17-21; BIBL. 16REFArticle

PROLONGED BARIUM RETENTION IN THE LUNG FOLLOWING BRONCHOGRAPHYERICKSON LM; SHAW D; MACDONALD FR et al.1979; RADIOLOGY; USA; DA. 1979; VOL. 130; NO 3; PP. 635-636; BIBL. 4 REF.Article