Esserman D, Allore HG, Travison TG. The Method of Randomization for Cluster-Randomized Trials: Challenges of Including Patients with Multiple Chronic Conditions. ijsmr [Internet]. 2016 Jan. 6 [cited 2024 Nov. 23];5(1):2-7. Available from: https://mail.lifescienceglobal.com/pms/index.php/ijsmr/article/view/3539