- Acoustic rhinometry: recommendations for technical specifications and standard operating proceduresO Hilberg
Institute of Environmental and Occupational Medicine, University of Aarhus, DK 8000, Aarhus C, Denmark
Rhinol Suppl 16:3-17. 2000..6. The manufacturer should give information about the performance of the equipment, calibration procedures and maintenance, hygiene, environmental and safety standards...
- Acoustic reflections during rhinometry: spatial resolution and sound lossO Hilberg
Institute of Environmental and Occupational Medicine, Aarhus University, DK 8000 Aarhus C, Denmark
J Appl Physiol (1985) 84:1030-9. 1998..e., twice the Nyquist frequency) to avoid influence on the result. No advantage was found for the the use of He-O2 vs. air in the nasal cavity...