Prescribing Reference, Inc. includes only products listed in the top 3,000 most highly prescribed drugs for the year as determined by independent research company IMS. We do not accept monetary gain from manufacturers as a means to be included in our compendium.

PrescribingReference.Com includes all the products in each of the print editions and more. This includes products that are not within the purview of the top 3,000 high prescribers.

A products inclusion in the website is solely based on the discretion of the editor and is not determined as a result of funding by manufacturers.