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Gastrin is a hormone that regulates the production of acid in the stomach during the digestive process. The gastrin test helps diagnose tumors called gastrinomas, Zollinger-Ellison (ZE) syndrome, and hyperplasia of G-cells.
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How Soon After Unprotected Sex Should I Get Tested? You may think the answer is immediately but this could be a mistake. Every STD has a different in incubation period, when symptoms appear, and window period, when the infection can be detected.
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