[5] Bron: Ocean Tomo, als geciteerd in "The 2011 drug patent 'cliff' and the evolution of IP evaluation" van Liza Porteus Viana, Intellectual Property Watch, 11.1.2011.
[5] Quelle: Ocean Tomo, zitiert in „The 2011 drug patent 'cliff' and the evolution of IP evaluation” von Liza Porteus Viana, Intellectual Property Watch, 11.1.2011.