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HOFFER A, CALLBECK MJ.HOFFER A, et al.J Ment Sci. 1957 Oct;103(433):810-20. doi: 10.1192/bjp.103.433.810.J Ment Sci. 1957.PMID: 13481591No abstract available.
O'REILLY PO, CALLBECK MJ, HOFFER A.O'REILLY PO, et al. Among authors: hoffer a.Can Med Assoc J. 1959 Mar 1;80(5):359-62.Can Med Assoc J. 1959.PMID: 13629419Free PMC article.No abstract available.
HOFFER A, CALLBECK MJ.HOFFER A, et al.Can Med Assoc J. 1959 May 1;80(9):736-7.Can Med Assoc J. 1959.PMID: 13652021Free PMC article.No abstract available.
HOFFER A, SMITH C, CHWELOS N, CALLBECK MJ, MAHON M.HOFFER A, et al.J Clin Exp Psychopathol. 1959 Apr-Jun;20(2):125-34.J Clin Exp Psychopathol. 1959.PMID: 13664777No abstract available.