VAZQUEZ-HERNANDEZ MARTA, BOUZAS LORENA, and TUTOR J. CARLOS. 2009. “Glomerular Filtration Rate Estimation Using the Cockcroft-Gault and Modification of Diet in Renal Disease Formulas for Digoxin Dose Adjustment in Patients With Heart Failure”. Upsala Journal of Medical Sciences 114 (3):154-59. https://doi.org/10.1080/03009730903191853.