TY - GEN AU - Onicescu,D TI - [Visual pigments] SN - 1220-0859 PY - 1978///0930 KW - Color Vision Defects KW - physiopathology KW - Humans KW - Photoreceptor Cells KW - physiology KW - Retinal Pigments KW - Vision Disorders KW - Vision, Ocular N1 - Publication Type: English Abstract; Journal Article ER -