Sciences & the Law Volume 5, Issue 1, pages 77–94, Winter 1987 Langevin R (1983). Sexual strands: understanding and treating sexual anomalies in men. Psychology Press, Paitich D, Langevin R, Freeman R, Mann K, Handy L. The Clarke SHQ: a clinical sex history questionnaire for males. Arch Sex Behav. 1977 Sep;6(5):421-36. Paitich D, Langevin R. The Clarke Parent-Child Relations Questionnaire: a clinically useful test for adults. J Consult Clin Psychol. 1976 Jun;44(3):428-36. Freund K, Langevin R, Wescom T, Zajac Y. Heterosexual interest in homosexual males. Arch Sex Behav. 1975 Sep;4(5):509-18. Freund K, Langevin R, Zajac Y. Heterosexual aversion in homosexual males. A second experiment. Br J Psychiatry. 1974 Aug;125(0):177-80. Freund K, Langevin R, Zajac Y, Steiner B, Zajac A. The trans-sexual syndrome in homosexual males. J Nerv Ment Dis. 1974 Feb;158(2):145-53. Freund K, Langevin R, Cibiri S, Zajac Y. Heterosexual aversion in homosexual males. Br J Psychiatry. 1973 Feb;122(567):163-9. References External links Dr. Ronald A. Langevin profile via University of Toronto Ronald L. A. Langevin profile College of Psychologists of Ontario Living people 1940 births Canadian psychologists Forensic psychologists University of Toronto faculty University of Toronto alumni