RT Journal Article SR Electronic T1 The Nature of Mental Deficiency JF Postgraduate Medical Journal JO Postgrad Med J FD The Fellowship of Postgraduate Medicine SP 182 OP 186 DO 10.1136/pgmj.11.115.182 VO 11 IS 115 A1 Findlay, Leonard YR 1935 UL http://pmj.bmj.com/content/11/115/182.abstract AB