TY - RPRT TI - Expert agreement in evaluating the optic disc for glaucoma. AU - R Varma AU - W C Steinmann AU - I U Scott PY - 1992 DO - 10.1016/s0161-6420(92)31990-6 UR - https://pubmed.ncbi.nlm.nih.gov/1553210/ ID - 1553210 ER -