. 2020 Oct 27;8:563095. doi: 10.3389/fpubh.2020.563095
Copyright © 2020 Nascimento Junior, Santos, Oliveira, Guimarães, Quintans-Júnior, Coutinho, Martins, Borges and Serafini.
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Figure 1.
Flowchart of patent search and screening.