Value and Challenges of Using Observational Studies in Systematic Reviews of Public Health Interventions.
Hilton Boon M, Burns J, Craig P, Griebler U, Heise TL, Vittal Katikireddi S, Rehfuess E, Shepperd S, Thomson H, Bero L. Value and Challenges of Using Observational Studies in Systematic Reviews of Public Health Interventions. Am J Public Health. 2022 04; 112(4):548-552.