title: Separation of visual pigments on columns of controlled-pore glass beads.
mesh_terms: D000818:Animals; D002417:Cattle; D002645:Chickens; D002851:Chromatography, High Pressure Liquid / Q000295:instrumentation / Q000379:methods; D005898:Glass; D008863:Microspheres; D012168:Retinal Pigments / Q000302:isolation & purification*; D012243:Rhodopsin / Q000302:isolation & purification
chemical_list: D012168:Retinal Pigments; D012243:Rhodopsin