Search options

Default operator AND (breast cancer retrieves the same results as breast AND cancer)

Boolean operators AND OR (AND is processed before OR)

Phrase searching "breast cancer"

Nesting (BREAST OR COLON) AND CANCER

If parentheses are not used the terms are searched in the following order of precedence: AND, OR

Truncation * seems to truncate e.g. "breast canc*" will retrieve results on breast cancer

Field tags Field searching is available in the 'Advanced' search option.

Hyphens It is unclear whether hyphens are recognised

Help pages How to search

Example (BREAST OR COLON) AND CANCER

Saved searches No

Export tagged Yes (XML)