Spreadsheet Use to Calculate Creatinine Clearance From Serum Creatinine Timothy W. Shrewsberry, Ashraf Banoub, Kevin Fleming, Holly Snyder and James Stehlik J Extra Corpor Technol, 39 4 (2007) 260-262 Published online: 15 December 2007 DOI: 10.1051/ject/200739260