Articles can be limited to only those that are peer-reviewed, authored by a nurse, full-text PDF available, dated within the last five years or other select specific criteria to apply to patients, such as age group or gender. Multiple limits can be applied to any search.
Example - type nursing ethics (suggest subject terms if unsure about keywords) in the first bar and holistic nursing (suggest subject terms if unsure of keywords) in the second bar. This will bring up articles with those two terms AND is the default setting on CINAHL in advances search so it will narrow the search.
For help understanding Boolean Operators (AND, OR, NOT) and other search strategies please see the LibGuide section on PICO & Searching.