@misc{indiciae236b5d5fa33b, title = {Variability in glaucomatous visual fields: implications for shared care schemes.}, author = {D B Henson and P G Spry and I C Spencer and J M Sparrow}, year = {1998}, url = {https://pubmed.ncbi.nlm.nih.gov/9692031/}, note = {Source identifier: 9692031} }