PubMed, MEDLINE and PubMed Central are all funded by the National Library of Medicine but are different databases. PubMed has been reported to include some articles published in predatory journals.

PubMed is the backbone of biomedical research in the U.S. That's not an exaggeration. It's housed under the NIH and is essentially our national library for public health and medical research ...

In 1999 the US National Institutes of Health (NIH) suggested that a freely accessible public archive for the scientific literature would greatly benefit the scientific community. To date, more than 20 ...