111
Folstad I., Karter A. J. 1992. Parasites, bright males and the immunocompetence handicap. American Naturalist 139: 603–622.
112
Zuk M. 1992. The role of parasites in sexual selection: current evidence and future directions. Advances in the Study of Behaviour 21: 39–68.
113
Hamer D., Copeland P. 1998. Living with our genes. Doubleday, New York.
114
Efran J. S., Greene M. A., Gordon D. E. 1998. Lessons of the new genetics. Family Therapy Networker 22: 26–41.
115
Kagan J. 1994. Galen’s prophesy: temperament in human nature. Basic Books, New York.
116
Wurtman R. J., Wurtman J. J. 1994. Carbohydrates and depression. In: Masters R. D., McGuire M. T. (eds), The neurotransmitter revolution, p. 96–109. Southern Illinois University Press, Carbondale and Edwardsville.