New features of this database include a product identifier module, which allows you to identify unknown products by their physical attributes, e.g. markings, shape and colour. The products summary provides a brief overview of over 4,000 products,covering prescription drugs, hospital-use only products, over-the-counter (OTC) medicine, devices, diagnostic agents, dressings and some complementary medicines.
The Clinical Queries service provides built-in search filters that retrieve human clinical research studies on diagnosis, aetiology, therapy or prognosis, systematic reviews and meta-analyses. PubMed also links to a number of other National Library of Medicine (NLM) resources including molecular modelling and genetics resources, consumer health information, clinical trials database and the TOXNET cluster of databases.