…были открыты другие светочувствительные клетки. – D. M. Berson et al., “Phototransduction by Retinal Ganglion Cells That Set the Circadian Clock”, Science 295, no. 5557 (2002): 1070–73; S. Hattar et al., “Melanopsin-Containing Retinal Ganglion Cells: Architecture, Projections, and Intrinsic Photosensitivity”, Science 295, no. 5557 (2002): 1065–70.
