This letter comments on a recent article by Laakso et al. (10.1002/asi.24460), in which the disappearance of 176 open access journals from Internet is noted. One reason these may have vanished that they were predatory journals: possibility original paper did not consider. The delisting predators Directory Open Access Journals 2014 and abundance awareness thereof North America parsimoniously exp...

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. pISSN 1011-8934 eISSN 1598-6357 https://doi.org/10.3346/jkms.2017.32.1.162 • J Korean Med Sc...