|Free-text synonyms of keyword search||All known synonyms of the keyword in both British and US spellings||Cervical cancer synonyms: cervical carcinomas, cervix neoplasms, cervical intraepithelial neoplasia, cervix dysplasia etc.|
|Truncation commands||Using the root word to capture alternative word endings||Cervi* carcinom* searches for words such as cervical carcinoma, cervix carcinomas etc.|
|Proximity operators||Operators used will be Adj3 in OvidSP interface||hpv adj3 vaccin*|
|Boolean logic operators||
‘OR’ and ‘AND’ will be the two commands to be used.|
‘OR’ is used to locate articles with at least one of the search terms.
‘AND’ is to be used near the end of a search so as to combine results of different search concepts.
treat* or therap* OR|
radiation adj3 therap*.
(treat* or therap* OR
radiation adj3 therap*) AND (HIV positive OR hiv seropositiv* OR hiv) AND (developing countr* OR underdeveloped countr*)