TY - GEN AU - Zein,Z A TI - Gene frequency and type of colour blindness in Ethiopians SN - 0014-1755 PY - 1990///0813 KW - Adolescent KW - Adult KW - Child KW - Color Vision Defects KW - classification KW - Ethiopia KW - Female KW - Gene Frequency KW - Humans KW - Male KW - Prevalence N1 - Publication Type: Journal Article ER -