TY  - GEN
AU  - FRIEDENWALD,J S
TI  - Some problems in the calibration of tonometers
SN  - 0002-9394
PY  - 2008///1020
KW  - Calibration
KW  - Humans
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/0002-9394(48)92522-7
ER  -