TY - GEN AU - Dell'Osso,L F AU - Daroff,R B TI - Achromatopsia and congenital nystagmus SN - 0272-846X PY - 1983///1021 KW - Color Vision Defects KW - diagnosis KW - Diagnosis, Differential KW - Humans KW - Nystagmus, Pathologic KW - congenital N1 - Publication Type: Letter ER -