Lang, E. K., Zhang, K. K., Nguyen, Q., Myers, L., Allaf, M., & Colon, I. (2015). Efficacy of percutaneous cryoablation of renal cell carcinoma in older patients with medical comorbidities: Outcome study in 70 patients. Canadian Urological Association Journal, 9(5-6), E256–61. https://doi.org/10.5489/cuaj.2597