Completeness degree of publication metadata in eight free-access scholarly databases. - Lorena Delgado-Quirós; José Luis Ortega 001 (Quant. Sci. Stud., 2024)

Why are these publications missing? Uncovering the reasons behind the exclusion of documents in free-access scholarly databases. - Lorena Delgado-Quirós; Isidro F. Aguillo; Alberto Martín-Martín; Emilio Delgado López-Cózar; Enrique Orduña-Malea; José Luis Ortega 001 (J. Assoc. Inf. Sci. Technol., 2024)

The indexation of retracted literature in seven principal scholarly databases: a coverage comparison of dimensions, OpenAlex, PubMed, Scilit, Scopus, The Lens and Web of Science. - José Luis Ortega 001; Lorena Delgado-Quirós (Scientometrics, 2024)

Citation counts and inclusion of references in seven free-access scholarly databases: A comparative analysis. - Lorena Delgado-Quirós; José Luis Ortega 001 (J. Informetrics, 2025)