Lang, Erich K., Kan Karl Zhang, Quan Nguyen, Leann Myers, Mahamed Allaf, and Ivan Colon. 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.