<b>A novel infrared spectroscopy </b><b>marker</b><b> </b><b>for</b><b> assess</b><b>ing</b><b> the postoperative</b><b>i</b><b>nfection risk </b><b>in patients with</b><b> upper urinary tract calculus</b>

1.Infrared spectral data of calculus 2.Clinic data of patients 3.Macrogene sequencing of patients