标题:一卵性双生児の環境分離による施設病の研究 : 11.治療・身体障害 [in Japanese] Study of hospitalism by co-twin control method. : LIST OF PAPERS PRESENTED AT THE THIRD ANNUAL CONVENTION OF THE JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY October 17-21,1961,Nagoya : Division 3 : Psychotherapy [in Japanese]