TY  - RPRT
TI  - A pneumatic applanation tonometer-a clinical study.
AU  - H B Collin
AU  - H G Robbins
PY  - 1973
DO  - 10.1097/00006324-197310000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/4520496/
ID  - 4520496
ER  -