With so many published papers now freely available through repositories and preprint servers, it's only natural that a new service has emerged: the free version detector. With one click, search the world for free versions of published research.
The Mulford Health Sciences Library at the University of Toledo create a search engine which provides links to
Instructions to Authors in the Health Sciences
These pages provide links to Web sites which provide instructions to authors for over 6,000 journals in the health and life sciences. All links are to "primary sources" - that is, to publishers and organizations with editorial responsibilities for the titles.