A citation search is a way of finding newly published research that have all used or referenced one particular seminal paper or study. The most important criteria to find these "Cited by" articles is to use a comprehensive and multi-disciplinary source. It is important to note that you will have an incomplete list of citations if you try this in MEDLINE, as it the database is limited to articles that are indexed in MEDLINE.
Freely available resources for citation searching:
