@misc{indiciae04666f0c42dd, title = {Letter: The disc sensitivity test.}, author = {J Sherris and C Thornsberry and A L Barry}, year = {1975}, doi = {10.1136/bmj.1.5950.149}, url = {https://pubmed.ncbi.nlm.nih.gov/803389/}, note = {Source identifier: 803389} }