%0 Journal Article %A David A Savitz %A Francesco Forastiere %T Do pooled estimates from meta-analyses of observational epidemiology studies contribute to causal inference? %D 2021 %R 10.1136/oemed-2021-107702 %J Occupational and Environmental Medicine %P 621-622 %V 78 %N 9 %U https://oem.bmj.com/content/oemed/78/9/621.full.pdf