Searches user-supplied Clinical Practice Research Datalink (CPRD) Aurum medical dictionaries to support the development of medical code lists. Provides case-insensitive keyword searches with AND, OR, and exclusion logic, optional regular expressions, approximate matching of complete terms, observation-count filtering, column selection, and deduplicated combinations of results. Exports results to comma-separated files while preserving character identifiers. Includes synthetic example data; real dictionaries must be obtained separately from CPRD &lt;<a href="https://www.cprd.com/" target="_top">https://www.cprd.com/</a>&gt;.

Searches user-supplied Clinical Practice Research Datalink (CPRD) Aurum medical dictionaries to support the development of medical code lists. Provides case-insensitive keyword searches with AND, OR, and exclusion logic, optional regular expressions, approximate matching of complete terms, observation-count filtering, column selection, and deduplicated combinations of results. Exports results to comma-separated files while preserving character identifiers. Includes synthetic example data; real dictionaries must be obtained separately from CPRD &lt;<a href="https://www.cprd.com/" target="_top">https://www.cprd.com/</a>&gt;.

Objective To assess the association between risk of venous thromboembolism and use of different types of hormone replacement therapy. Design Two nested case-control studies. Setting UK general pract...

ObjectiveTo estimate the risk of miscarriage amongst pregnant women with migraine compared to pregnant women without migraine. To compare the odds of miscarriage in women taking medication for migraine to women with migraine who did not take medication and to explore this associa...