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Salazar, Vielka L.; Stoddard, Philip K. (15 March 2008). "Sex differences in energetic costs explain sexual dimorphism in the circadian rhythm modulation of the electrocommunication signal of the gymnotiform fish Brachyhypopomus pinnicaudatus". Journal of Experimental Biology. 211 (6): 1012–1020. doi:10.1242/jeb.014795. PMID18310126. S2CID14310938.
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