TY  - RPRT
TI  - Stereoscopic comparator. Wtih primary use for optic discs.
AU  - D D Donaldson
AU  - W M Grant
PY  - 1978
DO  - 10.1001/archopht.1978.03910050271017
UR  - https://pubmed.ncbi.nlm.nih.gov/629690/
ID  - 629690
ER  -