TY - RPRT TI - Chronic open-angle glaucoma and advanced visual field defects in a defined population. AU - C Ekström AU - B Haglund PY - 1991 DO - 10.1111/j.1755-3768.1991.tb04842.x UR - https://pubmed.ncbi.nlm.nih.gov/1776409/ ID - 1776409 ER -