{{Cite journal| doi = 10.1080/09692290.2019.1620309| issn = 1466-4526| pages = 1–35| last = Rikap| first = Cecilia| title = Asymmetric Power of the Core: Technological Cooperation and Technological Competition in the Transnational Innovation Networks of Big Pharma| journal = Review of International Political Economy| date = 2019}}