TY  - BOOK
AU  - Crane,Marian Minor
TI  - Screening school children for visual defects: report of a study conducted in St. Louis, Missouri, 1948-49
AV  - LB3451 .C8
U1  - 371.71371.72 
PY  - 1954///]
CY  - [Washington
PB  - U.S. Govt. Print. Off.
KW  - Eye
KW  - Examination
KW  - School children
ER  -