Help

• Boolean operators and, or, and not must be entered in lower case.
• Use parentheses ( ... ) to construct complex boolean queries.
• You may truncate words in your query by using asterisk *.

Examples

• protease and inhibitor
  finds all pages that contain both protease and inhibitor
• protease not pepsin
  finds all pages that contain protease but do not contain pepsin
• inhibit*
  finds all pages that contain inhibitor, inhibition, and similar words.
• (proease and inhibit*) not (trypsin or pepsin)
  finds all pages that contain protease inhibitor / inhibition but not trypsin or pepsin.