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. 2017 May 8;12(5):e0177371. doi: 10.1371/journal.pone.0177371

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© 2017 McNamee et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — (A) Time interval between technology initiation (Ti) and established (Te) years. (B) Time interval between technology initiation and start of clinical trials. (C) Time interval between technology initiation and first drug approval. The median and quartile boundaries are shown for all technologies with initiation after 1950.