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  • Title: Transmitter release during repetitive stimulation: selective changes produced by Sr2+ and Ba2+.
    Author: Zengel JE, Magleby KL.
    Journal: Science; 1977 Jul 01; 197(4298):67-9. PubMed ID: 17160.
    Abstract:
    The addition of Sr2+ or Ba2+ to the solution bathing the frog neuromuscular junction leads to an increased release of transmitter by each nerve impulse during and following repetitive stimulation. The mechanisms by which Sr2+ and Ba2+ increase release are not the same. Each ion appears to act selectively on a different process involved in transmitter release.
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