Noninvasive Sphenopalatine Ganglion Block for Acute Headache in the Emergency Department: A Randomized Placebo-Controlled Trial
| Autor: | Schaffer, Jason T., Hunter, Benton R., Ball, Kevin M., Weaver, Christopher S. |
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| Zdroj: | In Annals of Emergency Medicine May 2015 65(5):503-510 |
| Databáze: | ScienceDirect |
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