title: Letter: Interbatch variability in measurement of urinary amylase with a commercial kit.
mesh_terms: D000681:Amylases / Q000097:blood / Q000652:urine*; D005069:Evaluation Studies as Topic; D007202:Indicators and Reagents / Q000592:standards
chemical_list: D007202:Indicators and Reagents; D000681:Amylases