TY  - GEN
AU  - Childress,M E
AU  - Childress,C W
AU  - Conklin,R M
TI  - Possible effects of visual demand on refractive error
SN  - 0003-0244
PY  - 1970///0810
KW  - Female
KW  - Humans
KW  - Male
KW  - Occupations
KW  - Refractive Errors
KW  - epidemiology
N1  - Publication Type: Journal Article
ER  -