Porter, Simon clinical trials by country of sponsor collaborators New clinical trials by country of sponsor collaborators. Each trial is apportioned and credited to the country of each sponsor (this weighting is referred to in the axis label). Europe is defined to include the EU-27 countries, Norway, Switzerland and the UK. COVID-19;Dimensions;Information Systems 2020-06-01
    https://figshare.com/articles/dataset/clinical_trials_by_country_of_sponsor_collaborators/12355064
10.6084/m9.figshare.12355064.v2