Optimizing the literature search: coverage of included references in systematic reviews in Medline and Embase.
Marita HeintzG S H StraumannRagnhild Agathe TornesNataliya ByelyeyElisabet HafstadGunn Eva NæssMiriam BakkeliPublished in: Journal of the Medical Library Association : JMLA (2023)
Our data reveals that 9.8% of the references are not indexed in either database. Furthermore, in 5% of the reviews, the indexing rate was 50% or lower.