Abstract
References
1.
Jackson
J. H.
(1875 ) W. Riding Lun. Asyl. med. Rep. , 5 , 105 .
2.
Liddell
D. W.
(1953 ) J. ment. Sci. , 99 , 732 .
3.
White
E. W.
(1900 ) J. ment. Sci. , 46 , 73 .