Ohne Worte.
https://twitter.com/marilynmann/status/555188547754680320
Aus: Moses, H., Matheson, D. H., Cairns-Smith, S., George, B. P., Palisch, C., & Dorsey, E. R. (2015). The anatomy of medical research: US and international comparisons. JAMA, 313(2), 174-189.