| Meals on wheels Meals on wheelsPubMed Central (PMC) is a free digital archive of biomedical and life sciences journal literature. It is developed and managed by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM)./ PubMed Central Home A free archive of life sciences journals PubMed Central (PMC) is the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature. Browse PMC journals:.. |