Abstract: A method, system, and computer program product for storing and retrieving patient data in a database connected to a network is disclosed. The method, system, and computer program product comprises storing clinical data in the database, extracting data from the clinical data, querying the database using a taxonomy that includes inclusive or exclusive search criterion, and receiving a result set. The method, system, and computer program product comprises creating a taxonomy that includes at least one search criterion, sending a query to the database, the query including said at least one search criteria, receiving the result set in response to the query, the result set including at least one result record, and displaying said at least one result record. The method, system, and computer program product can further include a user such as a clinical researcher, a treating physician, or a consulting physician analyzing the result set.