Note
MEDLINE database (the largest medical health reference database is available through different search interface, PubMed is the original free engine. Ovid MEDLINE covers all of the available content and metadata in PubMed, same for MEDLINE in EBSCOhost interface.
Through EBSCOhost and Ovid you can choose both MEDLINE and other database.
MEDLINE records is also available in the multidisciplinary database Scopus