This is particularly useful in retrieving both American and British spellings. Check the Help page of the database you are using. Limiting by a particular field. Some databases allow searching in other fields, for example, institution, article title, volume number and country of publication. Check the Help page of the database you are using.
Some databases offer more advanced limiting options.
Check the help page of the database you are using. Evaluating the results Once you have completed your search, it is important that you evaluate the retrieved references. It may be necessary to repeat your search because you have found too few or too many references, or the references may not be relevant. Once you have identified relevant references, you need to determine whether you can access the full-text articles. These may be held in print or electronic format.