TY - GEN AU - Muttray,A AU - Jung,D AU - Konietzko,J TI - Acquired dyschromatopsia: some comments concerning the procedure of testing and interpretation SN - 0096-1736 PY - 1992///0701 KW - Color Perception Tests KW - Color Vision Defects KW - congenital KW - Humans N1 - Publication Type: Comment; Letter ER -