| Research collaboration at a distance: Changing spatial patterns of scientific collaboration within Europe J Hoekman, K Frenken, RJW Tijssen Research Policy 39 (5), 662-673, 2010 | 755 | 2010 |
| The geography of collaborative knowledge production in Europe J Hoekman, K Frenken, F Van Oort The annals of regional science 43, 721-738, 2009 | 530 | 2009 |
| Spatial scientometrics: Towards a cumulative research program K Frenken, S Hardeman, J Hoekman Journal of informetrics 3 (3), 222-232, 2009 | 395 | 2009 |
| Drug-induced reduction in albuminuria is associated with subsequent renoprotection: a meta-analysis HJL Heerspink, TF Kröpelin, J Hoekman, D De Zeeuw Journal of the American Society of Nephrology 26 (8), 2055-2064, 2015 | 223 | 2015 |
| Big Pharma, Little Science? A bibliometric perspective on big pharma’s R&D decline I Rafols, M Hopkins, J Hoekman, P Nightingale, A Perianes-Rodriguez, ... Technological Forecasting and Social Change, 2012 | 209 | 2012 |
| Adverse drug reaction reporting in Africa and a comparison of individual case safety report characteristics between Africa and the rest of the world: analyses of spontaneous … HH Ampadu, J Hoekman, ML de Bruin, SN Pal, S Olsson, D Sartori, ... Drug safety 39, 335-345, 2016 | 205 | 2016 |
| Acquisition of European research funds and its effect on international scientific collaboration J Hoekman, T Scherngell, K Frenken, R Tijssen Journal of economic geography 13 (1), 23-52, 2013 | 145 | 2013 |
| What drives university research performance? An analysis using the CWTS Leiden Ranking data K Frenken, GJ Heimeriks, J Hoekman Journal of informetrics 11 (3), 859-872, 2017 | 138 | 2017 |
| Challenges in advanced therapy medicinal product development: a survey among companies in Europe RMT Ten Ham, J Hoekman, AM Hövels, AW Broekmans, HGM Leufkens, ... Molecular Therapy-Methods & Clinical Development 11, 121-130, 2018 | 114 | 2018 |
| Death of distance in science? A gravity approach to research collaboration K Frenken, J Hoekman, S Kok, R Ponds, F van Oort, J van Vliet Innovation networks: New approaches in modelling and analyzing, 43-57, 2009 | 80 | 2009 |
| Use of the conditional marketing authorization pathway for oncology medicines in Europe J Hoekman, WPC Boon, JC Bouvy, HC Ebbers, JP de Jong, ML De Bruin Clinical Pharmacology & Therapeutics 98 (5), 534-541, 2015 | 76 | 2015 |
| Characteristics and follow‐up of postmarketing studies of conditionally authorized medicines in the EU J Hoekman, TT Klamer, AK Mantel‐Teeuwisse, HGM Leufkens, ... British journal of clinical pharmacology 82 (1), 213-226, 2016 | 67 | 2016 |
| The geography of scientific citations ML Wuestman, J Hoekman, K Frenken Research Policy 48 (7), 1771-1780, 2019 | 59 | 2019 |
| Spatial scientometrics and scholarly impact: A review of recent studies, tools, and methods K Frenken, J Hoekman Measuring scholarly impact: methods and practice, 127-146, 2014 | 52 | 2014 |
| Convergence in an enlarged Europe: the role of network cities. K Frenken, J Hoekman Tijdschrift voor Economische en Sociale Geografie (Journal of Economic …, 2006 | 51 | 2006 |
| The Geographical Distribution of Leadership in Globalized Clinical Trials J Hoekman, K Frenken, D de Zeeuw, HL Heerspink PLOS ONE 7 (10), e45984, 2012 | 50 | 2012 |
| Organizational capacities of national pharmacovigilance centres in Africa: assessment of resource elements associated with successful and unsuccessful pharmacovigilance experiences HH Ampadu, J Hoekman, D Arhinful, M Amoama-Dapaah, HGM Leufkens, ... Globalization and health 14, 1-17, 2018 | 49 | 2018 |
| Does conditional approval for new oncology drugs in Europe lead to differences in health technology assessment decisions? I Lipska, J Hoekman, N McAuslane, HGM Leufkens, AM Hövels Clinical Pharmacology & Therapeutics 98 (5), 489-491, 2015 | 48 | 2015 |
| What does cell therapy manufacturing cost? A framework and methodology to facilitate academic and other small-scale cell therapy manufacturing costings RMT Ten Ham, AM Hövels, J Hoekman, GWJ Frederix, HGM Leufkens, ... Cytotherapy 22 (7), 388-397, 2020 | 46 | 2020 |
| The importance of geographical distance to different types of R&D collaboration in the pharmaceutical industry F Bignami, P Mattsson, J Hoekman Industry and Innovation 27 (5), 513-537, 2020 | 45 | 2020 |
Koen FrenkenFull Professor in Innovation Studies, Utrecht UniversityVerified email at uu.nl