MistryH, GarnvwaH, OppongR. Critical appraisal of published systematic reviews assessing the cost-effectiveness of telemedicine studies. Telemed J E Health, 2014; 20:609–618.
2.
OxmanA, GuyattG. Validation of an index of the quality of review articles. J Clin Epidemiol, 1991; 44:1271–1278.
