TY  - RPRT
TI  - Early visual field changes with beta-blocking agents.
AU  - J Collignon-Brach
PY  - 1989
DO  - 10.1016/0039-6257(89)90073-8
UR  - https://pubmed.ncbi.nlm.nih.gov/2568695/
ID  - 2568695
ER  -