TY  - RPRT
TI  - Optic disc changes in early glaucoma.
AU  - Y Kitazawa
AU  - K Matsubara
PY  - 1989
DO  - 10.1016/0039-6257(89)90068-4
UR  - https://pubmed.ncbi.nlm.nih.gov/2749509/
ID  - 2749509
ER  -