PubMedRightly, this is the go-to resource for many medical professionals. A very large, very comprehensive database that is an excellent starting and finishing point for conducting health science literature research. It searches the MEDLINE database and other life science journals.
Academic Search Ultimate A large, academically multidisciplinary article database that is a very good place to start a scholarly literature search.
ScienceDirect Scholarly articles from scientific, technical, and medical journals. A product of the major academic publisher Elsevier.
Journals@Ovid Scholarly articles from scientific, technical, and medical journals.
ClinicalKeyA decision-support tool designed for medical clinicians with a large variety of clinical resources. It has over 650 journals, 1,100 medical reference books, instructional videos, practice guidelines, medical images, and abstracts from the MEDLINE database.