PubMed Central (PMC)
PubMed Central (PMC) is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM). It contains more than 5 million full-text records, spanning several centuries of biomedical and life science research, from the late 1700s to present.
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PubMed Central (PMC)
Fulltext available: Journal Articles