134 citations
- Centro de Ciencias Humanas y SocialesES3 papers
- Consejo Superior de Investigaciones CientíficasES3 papers
- Universidad de ExtremaduraES3 papers
- Instituto de Políticas y Bienes PúblicosES2 papers
- Universidad Carlos III de MadridES2 papers
- Amsterdam University of Applied SciencesNL1 paper
- Instituto de Gestión de la Innovación y del ConocimientoES1 paper
- Leiden UniversityNL1 paper
- Universidad de GranadaES1 paper
- Universitat Politècnica de ValènciaES1 paper
- University Medical Center GroningenNL1 paper
- University of AmsterdamNL1 paper
Showing 2013Show all
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cs.DL2013★ 8 cited
Journal Maps, Interactive Overlays, and the Measurement of Interdisciplinarity on the Basis of Scopus Data (1996-2012)
Loet Leydesdorff, Félix de Moya-Anegón, Vicente P. Guerrero-Bote
Using Scopus data, we construct a global map of science based on aggregated journal-journal citations from 1996-2012 (N of journals = 20,554). This base map enables users to overla…
cs.DL2013★ 134 cited
Big Pharma, little science? A bibliometric perspective on big pharma's R&D decline
Ismael Rafols, Michael M. Hopkins, Jarno Hoekman +4
There is a widespread perception that pharmaceutical R&D is facing a productivity crisis characterised by stagnation in the numbers of new drug approvals in the face of increasing…