Media type: E-Article Title: Measuring Knowledge Spillovers Using Belgian Epo and USPTO Patent Data Contributor: Plasmans, Joseph E. J.; Lukatch, Ruslan imprint: Elsevier BV, 2001 Published in: SSRN Electronic Journal Language: English DOI: 10.2139/ssrn.267676 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: