Co-expression of opsins in the eye photoreceptor cells of the terrestrial slug Limax valentianus.Matsuo R, Koyanagi M, Nagata A, Matsuo Y.J Comp Neurol. 2019 Dec 15;527(18):3073-3086.

Structure and function of the interphotoreceptor matrix surrounding retinalphotoreceptor cells. Ishikawa M, Sawada Y, Yoshitomi T.Exp Eye Res. 2015 Apr;133:3-18.

[Neuroprotection of photoreceptor cells in rod-cone dystrophies: from cell therapy to cell signalling].Sahel JA, Mohand-Said S, Léveillard T.C R Biol. 2005 Feb;328(2):163-8. 

Identification of cell surface markers and establishment of monolayer differentiation to retinal pigment epithelial cells.Plaza Reyes A, Petrus-Reurer S, Padrell Sánchez S, Kumar P, Douagi I, Bartuma H, Aronsson M, Westman S, Lardner E, André H, Falk A, Nandrot EF, Kvanta A, Lanner F.Nat Commun. 2020 Mar 30;11(1):1609.

3D-Reconstructed Retinal Pigment Epithelial Cells Provide Insights into the Anatomy of the Outer Retina.Keeling E, Chatelet DS, Tan NYT, Khan F, Richards R, Thisainathan T, Goggin P, Page A, Tumbarello DA, Lotery AJ, Ratnayaka JA.Int J Mol Sci. 2020 Nov 9;21(21):8408.