TY  - GEN
AU  - Pearl,S S
TI  - Color defective individuals
SN  - 0002-9394
PY  - 1978///0724
KW  - Color Vision Defects
KW  - Humans
KW  - Melena
KW  - diagnosis
KW  - Patient Education as Topic
N1  - Publication Type: Letter
UR  - https://doi.org/10.1016/s0002-9394(14)77117-x
ER  -