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Extracellular calcium ions modify the effects of Anemonia sulcata toxin (ATX II) in guinea-pig papillary muscles |
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| Authors: | U Ravens |
| Abstract: | In isolated guinea-pig papillary muscle ATX II prolonged the action potential duration to a lesser extent at high extracellular Ca++-concentrations. This is interpreted as an interference of Ca++ with ATX II-binding sites. |
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