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Table 4 Reported sources of potential trial subjects, n = 34 trials

From: Success and failure factors of patient recruitment for industry-sponsored clinical trials and the role of the electronic health records—a qualitative interview study in the Nordic countries

From where did the investigators find trial participants? Number of trials
Site’s own patients in their EHR 29 (85 %)
Referrals within/from outside of the hospital 9 (26 %)
Patient register or biobank 6 (18 %)
Social media (Facebook, etc.) and web-based recruitment tools 5 (15 %)
Advertisements in newspapers and magazines 5 (15 %)
Patient organizations (advertisements, public lectures) 5 (15 %)