1. Depression in relation to early and recent parent death;BIRTCHNELL, J.C.;British Journal of Psychiatry,1970
2. Relationships between some psychological assessments, body-build, and physiological stress responses;BRIDGES, P.K.; JONES, M.T.;Journal of Neurology, Neurosurgery and Psychiatry,1973
3. Source Book of Medical History;CLENDENING, L.,1942
4. Depressive Illness;DAVIES, B.; CARROLL, B.J.; MOWBRAY, R.M.,1972
5. Masturbatory insanity: the history of an idea;HARE, E.H.;British Journal of Psychiatry,1962