* WorldCat
* Clarivate-Web of Science: Publons
* Digital Science: Dimensions
* Ulrich’s
* EBSCO
* ProQuest
* GALE: Informe Académico
* SciLit
* GFMER: Free Medical Journals
* Latindex (catalogue)
* PAHO/OPS: LILACS
* Redalyc
* PAHO/OPS-BIREME: BVS
* MIAR
* Dialnet
* ResearchGate