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Verywell Health on MSN4 个月
Endoscopy vs. Colonoscopy: What’s the Difference?
An upper endoscopy looks at the esophagus (food tube), stomach, and the first part of ... If everything looks normal or ...
Nature5 年
True upper normal limit of serum ALT is lower than usually claimed
It has recently been proposed that the true upper normal limit of serum alanine aminotransferase (ALT) is much lower than that listed by the manufacturers of commercially available assays.