TY - GEN AU - Wilson,M E TI - Wave-length discrimination at the foveal chromatic threshold SN - 0022-3751 PY - 1969///0605 KW - Color Perception KW - Humans KW - Light KW - Macula Lutea KW - physiology KW - Photoreceptor Cells KW - Retinal Pigments N1 - Publication Type: Journal Article UR - https://doi.org/10.1113/jphysiol.1969.sp008766 ER -