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Citation Help

Search the Library Databases and Print Collection

Find articles, books, and other resources

Locate the DOI

Research Help

Here is a short video demonstrating how to search in PubMed.

If you are not familiar with searching PubMed, you may want to review the PubMed tutorials at or contact the library for help.

Search the library's print and electronic book collection in the online catalog

Watch the video below to learn more.  

The purpose of the literature review:

  1. What?
    • assess and explain what is known about a subject and what is not known about a subject. 
      • This is what we know:
        •  Summarize current research related to your topic.
      • This is what we don't know:
        • Identify voids or gaps in the research surrounding your topic.  
  2. Why?
    • discover the value, importance, and pertinence of researching your topic.
  3. How?
    • identify appropriate methods to evaluate and examine your topic.

Information adapted from The Doctor of Nursing Practice Project (2020), K. Moran, R. Burson, and D. Conrad.



How to conduct a search for literature.

  1. Identify the problem and construct a question.
    1. What is the problem and how might we go about solving the problem?
  2. Choose the appropriate database.
    1. CINAHL – Nursing and allied health literature
    2. PubMed – Biomedical literature
    3. Discovery Service – Multi-disciplinary
    4. PsycArticles and PsycINFO – Behavioral and mental health literature
    5. Business Source Ultimate – Business Literature
    6. A-Z Listing of Library Databases
  3. Develop your search strategy.
    1. Keywords
    2. Asterisk
    3. Quotation marks
    4. Boolean operators vs. none
    5. Limiters/filters
    6. Subject headings
    7. Citation chasing
  4. Conduct the search.
  5. Evaluate the results.
    1. Peer reviewed
    2. Primary vs. secondary
    3. Grey literature
      1. Documents produced by government institutions, academic institutions, businesses, and organizations that are not controlled by commercial publishing.
  6. If necessary, refine your search strategy. 

Information adapted from The Doctor of Nursing Practice Project (2020), K. Moran, R. Burson, and D. Conrad.



Literature Summary Table
Year of Publication Publication Information (Author, Title, Journal) Objective of Research Research Design/Methodology Sample Size Results/Conclusions
2021 Kwee, et al., Metabolites and diabetes remission after weight loss. Nutr Diabetes. identify biomarkers predictive of type 2 diabetes remission and amount of weight loss in individuals with severe obesity targeted, quantitative mass spectrometry-based metabolomic profiling pre and post-intervention 324 identified circulating baseline biomarkers associated with diabetes remission
2022 Kermansaravi, et al., Current Status of Metabolic/Bariatric Surgery in Type 1 Diabetes Mellitus: an Updated Systematic Review and Meta-analysis. Obes Surg. systematic review and meta-analysis intend to evaluate the efficacy of metabolic/bariatric surgeries (MBS) in patients with type-1 diabetes mellitus literature search and meta-analysis 27 primary studies comprising 648 subjects MBS acceptable and durable effects of bariatric surgical procedures

Information adapted from The Doctor of Nursing Practice Project (2020), K. Moran, R. Burson, and D. Conrad.

Julie has been a part of the Lee family since first attending school here as a freshman in 1993. She began working at Squires Library in 2007 as a cataloging assistant after returning to Lee to complete her bachelor’s degree. After graduating from Lee in 2010, Julie began her graduate studies through Regent University and graduated in May 2014 with her M.A. in Communications, with an emphasis in critical film studies. In 2018, Julie completed her Master of Library Science degree from Indiana University.

Julie is excited to be serving as the library liaison to the School of Nursing. Please feel free to reach out to Julie if you have any questions about utilizing the library's resources.

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Julie Burchfield

Squires Library is here to aid you in your academic endeavors and we are available to answer your questions, whether it be teaching you how to find research materials or to help guide you through a specific assignment. The number for the Reference Desk is 423-614-8562. You can contact the library during any of our regular operating hours or questions can be emailed to