The effect of delaying initiation with umeclidinium/vilanterol in patients with COPD: an observational administrative claims database analysis using marginal structural models
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INDEXING
We are pleased to announce that we have implemented a new plugin for our journal, which will track citations from Scopus, Google Scholar, Crossref, and Europe PMC. This will allow authors to easily see how many times their work has been cited in these databases. Europe PMC also serves as a search engine and directly links to the work as indexed on PubMed and PubMedCentral, providing additional visibility. The plugin widget (see below) can be found at the bottom of each published work, and by clicking on the database symbols, authors can view the citation numbers.
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