BEHRA Search Form

How To Search the BEHRA Website: Type words into the entry box that you want to search for, then click [Search].

Find ANY word Find ALL words  Find EXACT phrase    Help

Any Word:

Just type one or more words to find any of the words. [ Search ANY ] is the usual default.

All Words:

Type more than one word and select [ Search ALL ] to find all of the words (e.g. congestive heart failure --> finds articles that contains the words congestive, heart or failure anywhere in the article).
Or you can use Booleans (see below).

Exact Phrase:

You can search for exact phrases by surrounding them in double quotes (e.g. "congestive heart failure").
Or you can just type the words and select [ Search EXACT ].

Boolean Operators: + -

Use + in front of each word or a quoted phrase that you require.
Use - in front of each word that you want to exclude.

Boolean Expressions: AND OR NOT ( )

Use AND, OR, NOT, (, and ) to form a Boolean expression. AND requires, OR allows, NOT excludes.
Use double quotes to protect the words "and", "or", or "not" in a phrase.