Reich M E, Schmut O, Zirm M
Albrecht Von Graefes Arch Klin Exp Ophthalmol. 1975;194(1):55-9. doi: 10.1007/BF00408275.
By our investigations we found identity of collagen and zonula fibers protein. In Disk-electrophoresis both the zonula fibers ans the fibers of the vitreous show the alpha-component only. Therefore it is likely that these proteins are closely related.