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. 2012 Feb;139(2):159–187. doi: 10.1085/jgp.201110692

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© 2012 Hárosi and Novales Flamarique

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Figure 4. — Regressions of expected rod/cone ratios as a function of those observed for primarily diurnal (though birythmic) species. (A) Data for species from which live cell measurements were obtained. (B) Data for species for which measurements originated from the literature.