PubMed contains abstracts and full-text life sciences journal articles, biomedical literature, and books. Subjects covered include health, biomedicine, behavioral sciences, chemical sciences, and bioengineering.
Provides indexing of nursing and allied health literature, including nursing journals and publications from the National League for Nursing and the American Nurses Association, covering topics including medicine, alternative therapies, consumer health, nursing standards, and research instruments. Contents Citations for journal articles, books, nursing dissertations, conference proceedings, standards of practice, audiovisual material, and book chapters. Some full-text articles. Coverage: 1981-present.
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.
Statista contains statistical information, data, infographics, and tables. Subjects are geared towards business and marketing statistical needs, and include consumer goods, media, politics, sports, travel, and technology.