MeSH is the National Library of Medicine's controlled vocabulary thesaurus. MeSH consists of sets of terms naming descriptors in a hierarchical structure that permits searching at various levels of specificity.
Start with specific words or short expressions. Consider using two or three terms to best describe the essential subject(s) of your article. Avoid entering a sentence or article title as the results may not be useful.
A sample proforma to assist students keep track of their research process.