Number | Name | Date | Kind |
---|---|---|---|
4428380 | Wong et al. | Jan 1984 | |
4446872 | Marsoner et al. | May 1984 | |
4649930 | Groch et al. | Mar 1987 | |
4763646 | Lekholm | Aug 1988 | |
5109863 | Semmlow et al. | May 1992 | |
5156147 | Warren et al. | Oct 1992 | |
5179947 | Meyerson et al. | Jan 1993 | |
5235976 | Spinelli | Aug 1993 | |
5554177 | Kieval et al. | Sep 1996 | |
5609613 | Woodson et al. | Mar 1997 | |
5626622 | Cooper | May 1997 |
Number | Date | Country |
---|---|---|
361517 | Apr 1990 | WOX |
Entry |
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"Cardiac Auscultation: The First and Second Heart Sounds" by Jame A. Ronan, Jr., Heart Disease and Stroke, May/Jun. 1992, pp. 113-116. |