TY  - RPRT
TI  - Vertical cup/disc ratio in relation to optic disc size.
AU  - D B Barr
AU  - D J Nolan
PY  - 1999
DO  - 10.1136/bjo.83.8.994a
UR  - https://pubmed.ncbi.nlm.nih.gov/10413708/
ID  - 10413708
ER  -