University hospital Medical Information Network (UMIN) Clinical Trials Registry (for Japan)

Search options: Free word search

Default operator AND

Boolean operators AND, OR

Phrase searching No

Nesting No

Truncation No

Field tags Fielded searches are offered.

Hyphens Hyphenated and unhyphenated terms seem to be necessary

Help pages No

Example AND selected: breast cancer searches for breast AND cancer

OR selected: breast cancer searches for breast OR cancer

Saved searches No

Export tagged No