1. Araki M, Fukada Y, Shichida Y, Yoshizawa T, Tokunaga F (1992) Differentiation of both rod and cone types of photoreceptors in the in vivo and in vitro developing pineal glands of the quail. Dev Brain Res 65:85?92
2. Cole WC, Youson JH (1982) Morphology of the pineal complex of the anadromous sea lamprey, Petromyzon marinus L. Am J Anat 165:131?163
3. Collin JP (1969) Contribution a l'étude de l'organe pinéal. De l'épiphyse sensorielle a la glande pineale: Modalités de transformation et implications fonctionnelles. Ann Stat Biol Besse-en-Chandesse [Suppl] 1:1?359
4. Collin JP (1971) Differentiation and regression of the cells of the sensory line in the epiphysis cerebri. In: Wolstenholme GEW, Knight J (eds) The pineal gland. Churchill-Livingstone, Edinburgh London, pp 79?125
5. Collin JP, Oksche A (1981) Structural and functional relationships in the nonmammalian pineal gland, vol 1. Anatomy and biochemistry. CRC Press, Boca Raton, pp 27?67