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Unexpected results from urine immunoassays should have a confirmatory gas chromatographymass spectrometry or a high-performance liquid chromatography test performed
The treatment effect was then evaluated using Cox proportional hazard regression, with cage assignment included as a random effect and batch as a covariate, using statistical software R (version 3.4.1) with package coxme
You might have xerostomia, also known as dry mouth
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