Scopus is a large abstract and citation database of research literature and patents. The database is updated daily and contains over 70 million records. Scopus indexes over 23,400 peer-reviewed journals from more than 5,000 publishers, including 5500 open access journals. Scopus also indexes 294 trade publications, over 120,000 conferences, and 210,000 books. Additionally, the database contains 44 million patent records from the US Patent & Trademark Office, the European Patent Office, the Japan Patent Office, the World Intellectual Property Organization, and the UK Intellectual Property Office. Seamless links to full-text articles and other library resources.