MEDICAL JOURNALS: http://www.freemedicaljournals.com/f.php?f=ip_biolo
KHAN ACADEMY: https://khanacademy.org
Free Ebooks: https://www.free-ebooks.net/medical-academic
PROJECT GUTERNBERG: https://www.gutenberg.org/
OPEN STAX COLLEGE: http://openstaxcollege.org/
Directory of Open Access Journals: https://doaj.org/
SpringerOpen: https://www.springeropen.com/journals
https://www.jipmer.edu.in/library/open-access-and-free-medical-e-resources
Project MUSE: https://muse.jhu.edu/
OER Commons:// https://www.oercommons.org/
FreeTechBooks: http://www.freetechbooks.com/
PDF Drive: http://pdfdrive.com
US National Library of Medicine: https://collections.nlm.nih.gov/
https://www.nlm.nih.gov/portals/public.html
National Center for Biotechnology Information: https://www.ncbi.nlm.nih.gov/books
Online Medical Databases: https://www.medscape.com/viewarticle/451577_3
MIT OPEN COURSEWARE: http://ocw.mit.edu/
National Institute for Health Research (NIHR): https://www.journalslibrary.nihr.ac.uk/#/
Science Direct: http://www.sciencedirect.com
Electronic Thesis/Dissertation: http://www.openthesis.org/
SAGE JOURNALS: https://journals.sagepub.com/
THE MEDICAL LITERATURE GUIDE: https://amedeo.com/
Directory of Open Access Journals: https://doaj.org/