- Search terms are not case-sensitive. All alphabetic characters in the search expression are converted to lower case before the search is performed.
- Example: centers for disease control
- Search for complete phrases by enclosing them in single quotes. Words enclosed in single quotes will appear together in all results exactly as typed.
- Example: 'world health organization'
Phrase Searches Including Words Used As Boolean Operators (AND, OR, NOT)
- Search for complete phrases including words used as Boolean operators by enclosing the phrase in single quotes and placing double quotes around the Boolean operator.
- Example: 'women "AND" coronary heart disease'
- When searching multiple words, the system will automatically supply the Boolean "AND" operator between each word. The words entered will all occur somewhere in the records retrieved, though not necessarily in the order entered. The examples below will retrieve the same results.
- World Health Organization
- world AND health AND organization