Lorsque j'ai écrit à ce sujet pour le New England Journal of Medicine, je me suis entretenue avec des économistes, dont un avait fait passablement d'interviews. Il avait donc des données qualitatives.
When I was writing about this for the New England Journal of Medicine, I spoke with economists, including one who had done quite a number of interviews, so he had qualitative data, and the concerns were that as compared to the pharmaceutical companies, before they had contract research organizations to contract this out to, they did it themselves.