PubMed: Medline Search
This is the “motherload” of articles, from the National Library of Medicine. They provide access to over 29 million citations from peer-reviewed journals.
Please note that, of all the “peer–reviewed” Chiropractic Journals, only
Chiropractic & Manual Therapies (formerly Chiropractic & Osteopathy), are indexed by Medline's PubMed Search Tool.