Aggregators

HighWire Press®, Stanford University, provides on-line versions of peer-reviewed Journals and other scholarly content partnering with scholarly societies, university presses and publishers of research and clinical literature. Site hosts over 4,500 full text articles from over 130 publishers. In addition to subscription article viewing, This aggregator provides links to "free" full-text articles with other on-line providers.

JSTOR is a not-for-profit organization with a dual mission to create and maintain a trusted archive of important scholarly journals, and to provide access to these journals as widely as possible. It offers researchers the ability to retrieve high-resolution, scanned images of journal issues and pages as they were originally designed, printed, and illustrated. Subscription or License required.

Public Library of Science (PLoS) is a non-profit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource. The site provides a peer-reviewed open access journal published by the Public Library of Science.

PubMed is a service of the U.S. National Library of Medicine (and the National Institute of Health) that includes over 17 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. As a text-based search and retrieval system, PubMed includes links to full text articles and other related resources. Search Criteria includes Topics, Author, Journal, Full Text and Abstract. A search for polio (which also automatically searches poliomyelitis) retrieves almost 17,000. Over 5000 medical and scientific journals are indexed, including The New England Journal of Medicine, PLOS Medicine, Journal of Cell Biology,

Sage Journals Online publishes over 485 journals in Business, Humanities, Social Sciences, and Science, Technology and Medicine. Search on "polio" produces 1342 results.

ScienceDirect® is an aggregator offering scientific, medical and technical information online representing over 2,000 peer-reviewed journals. Also features ebooks series, handbooks and reference works. The target audience is librarians and researchers and contains archival historical search of over 6 million articles (back to volume 1).

WorldCat® is the world's largest network of library content and services to provide access to their resources on the web. Allows users to search the collections of libraries in their communities and thousands more around the world. The site is available in several languages. Users can search for research articles and digital items like "audiobooks" that can be directly viewed or downloaded. Searches can find on books, music CD, videos, as well as article citations with links to their full text; authoritative research materials, such as documents and photos of local or historic significance; and digital versions of rare items that aren't available to the public.