• To perform a single character wildcard search, use the "?" symbol. (i.e. Bla?der
or Bla??er)
• To perform a multiple character wildcard search, use the "*" symbol. (i.e Hea*)
Note: You cannot use a * or ? symbol as the first character of a search.
• To combine two words use the operator AND. (i.e hernia AND blood, and the operator
AND must be upper case)
• To search for one word but avoid another use NOT. (Bladder NOT Cancer, and the
operator NOT must be upper case)
• To search for content that contains "Bladder Cancer" or just Bladder use the query:
       "Bladder Cancer" Bladder
or
       "Bladder Cancer" OR Bladder