These databases index and often offer full-text articles from many great nursing journals:
Here are some nursing journals --- use the Journal A-Z list or Ulrich's Periodical Directory for more titles --
Advances in Nursing Science Journal
Dimensions of Critical Care Nursing
Journal of Advanced Nursing
Journal of Nursing Scholarship
Journal of Professional Nursing
Nursing Science Quarterly
Online Journal of Nursing Informatics
Western Journal of Nursing Research
What is the DOI?