Final answer:
The Cumulative Index of Nursing and Allied Health Literature (CINAHL) database includes sources such as literature reviews, randomized trials, and meta-analyses.
Step-by-step explanation:
The sources that may be found in the Cumulative Index of Nursing and Allied Health Literature (CINAHL) database include:
- Literature review about complementary therapies for rheumatoid arthritis
- Randomized trial to study the use of honey to treat decubitus ulcers
- Meta-analysis to analyze coffee intake with risk of developing dementia