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Murzin A, Lesk A, Chothia C (1994). "Principles determining the structure of beta-sheet barrels in proteins. II. The observed structures". J Mol Biol236 (5): 1382–400. PMID8126727. doi:10.1016/0022-2836(94)90065-5.
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Böcskei Z, Groom CR, Flower DR; et al. (1992). "Pheromone binding to two rodent urinary proteins revealed by X-ray crystallography". Nature360 (6400): 186–8. PMID1279439. doi:10.1038/360186a0.
Halpern M, Martínez-Marcos A (2003). "Structure and function of the vomeronasal system: an update". Progress in Neurobiology70 (3): 245–318. PMID12951145. doi:10.1016/S0301-0082(03)00103-5.