1. A New Method for Direct Electric Registration of the Intra-Arterial Pressure in Man, with Examples of its Application.
2. Hansen , Anders Tybjaerg Pressure Measurement in the Human Organism Dissertation Teknisk Forlag 1949
3. Meehan , J. P. C. C. Hyman M. Sosnow Measurement of Colloid Osmotic Pressures with an Unbonded Strain Gage Transducer Statham Laboratories Instrument Notes 1950