Number | Name | Date | Kind |
---|---|---|---|
3964296 | Matzuk | Jun 1976 | |
4515164 | Slavin | May 1985 | |
4986276 | Wright | Jan 1991 | |
4995396 | Inaba et al. | Feb 1991 |
Entry |
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"Letters to the Editor, " Ultrasound in Med. & Biol, vol. 2, (Feb. 1976) p. 135. |
A Pilot Clinical PEP Monitor, Transactions on Biomedical Engineering, vol. BME-26, No. 6, Jun. 1979, pp. 345-349. |
The Complete Doppler CW-1A Sheet of D. E. Hokanson, Inc., published at least as early as 1985. |