TY - GEN AU - Giessmann,H G AU - Marré,M TI - Researches about acquired colour vision defects SN - 0078-5342 PY - 1973///0103 KW - Color Perception Tests KW - Color Vision Defects KW - congenital KW - Humans KW - Retinal Pigments N1 - Publication Type: Journal Article ER -