Number | Name | Date | Kind |
---|---|---|---|
4202339 | Wirtzfeld et al. | May 1980 | |
4399820 | Wirtzfeld et al. | Aug 1983 | |
4750495 | Moore et al. | Jun 1988 | |
4791935 | Baudino et al. | Dec 1988 | |
4815469 | Cohen et al. | Mar 1989 |
Entry |
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A Practical Guide to Cardiac Pacing, Moses et al., pp. 32-35, Little, Brown & Co., Boston/Toronto 1983. |