1. Marks, L. E. & Wheeler, M. E. Attention and the detectability of weak taste stimuli. Chem. Senses 23, 19–29 (1998).
2. Breslin, P. A. & Huang, L. Human taste: peripheral anatomy, taste transduction, and coding. Adv. Otorhinolaryngol. 63, 152–190 (2006).
3. Desimone, J. A. & Lyall, V. Salty and sour taste: sensing of sodium and protons by the tongue. Am. J. Physiol. Gastrointest. Liver Physiol. 29 June 2006 (doi:10.1152/ajpgi.00235).
4. Margolskee, R. F. Sensory systems: taste perception. Sci. STKE 290, tr20 (2005).
5. Roper, S. D. Cell communication in taste buds. Cell. Mol. Life Sci. 63, 1494–1500 (2006).