@misc{indiciaefc23157e66f9, title = {Tono-Pen tonometry.}, author = {P Beaumont and K Kang}, year = {1993}, doi = {10.1136/bjo.77.11.754}, url = {https://pubmed.ncbi.nlm.nih.gov/8280699/}, note = {Source identifier: 8280699} }