Advanced search guide

Wildcards

* = Search for any number of characters
eg. cat* will match cat, cats, cattle

? = Optionally match a single character
eg. colo?r will match "color" and "colour"

~ = similar to this word
eg oestrus~

Brackets
You may use brackets in your query

Quotation marks
You may you quotation marks " " around a phrase to search for an exact phrase
eg. "respiratory tract"

Boolean opperators

AND = find entries containing both phrases
eg. cat AND dog will find documents that contain both cat and dog

OR = find entries containing with term
e. cat OR dog will find documents that contain either cat, dog, or both terms. Note, articles containg both cat and dog will be showen first
as it most likley that these articles will be most relevent

NOT = find articles containing one term but which explicitly do not include the second
eg. cat NOT dog will find articles containing articles with mention cats but which also do not contain the word dog.

Restrictions

  • You cannot start a word with a wildcard
  • You cannot use wildcards in conjunction with quotation marks