CINAHL (Cumulative Index to Nursing and Allied Health Literature) is the authoritative resource for nursing and allied health professionals, students, educators and researchers. It indexes articles about nursing, allied health, biomedicine and healthcare. It indexes articles primarily in the English-language, and selected other articles in other languages.
Springer Journals Online provides full-text articles in the fields of Biomedical and Life Sciences; Medicine; Chemistry and Materials Science; Physics and Astronomy; and Mathematics and Statistics.
ScienceDirect is a leading full-text scientific database offering journal articles and book chapters from more than 2,500 journals and almost 20,000 books.