1. Gibbons B (1986) The intimate sense of smell, Nat Geogr 170: 324.
2. Gilbert AN, Wysocki CJ (1987) The smell survey, Nat Geogr 19: 514.
3. Magnen J Le (1952) Les phénomènes olfacto-sexuels chez I’homme, Arch Sci Physiol 6: 125.
4. Koelega HS, Köster EP (19 74) Some experiments on sex differences in oder perception. In: Cain WS (ed) Odors: evaluation, utilization and control, Annals of the New York Academy of Sciences, New York Academy of Sciences, p 234.
5. Schiffman SS (1983) Taste and smell in desease (First of Two Parts) Epstein FH (ed). The New England Journal of Medicine 21: 1275.