Science Direct contains abstracts and full-text articles from scientific, technological, and medical scholarly journals and reference books. Subjects covered include biology, chemistry, computer science, economics, environmental science, mathematics, medicine, neuroscience, nursing, physics, education, and psychology. Note that Science Direct only searches Elsevier journals.
An international, peer-reviewed, open-access online publication for all scientific disciplines. Associated scientific content available at this site include PLoS Biology, PLoS Medicine, PLoS Genetics, PLoS Neglected Tropical Diseases, PLoS Pathogens, and PLoS Computational Biology.