PubMed (This link opens in a new window)Search Tip: The size of the PubMed database makes it a challenge to search for research instruments. Like other databases, it does have fields you can search, one of which is MeSH (Medical Subject Heading). There are a few MeSH terms that may help with locating instruments. These include:Surveys and Questionnaires; Health Care Surveys; Health Surveys;Health Status Indicators; Psychological Tests; Personality Tests; Psychometrics; Data Collection