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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
National health infrastructure of OECD countries. Note: Number of doctors/1000 inhabitants (left), number of nurses/1000 inhabitants (right). Source: OECD (Publicly available data. No copyright issue).