OA journals are published and provided by institutions or individuals involved in open access, or transformed from traditional printed journals. At present, there are mainly the following famous OA periodical sources, mainly in the fields of biology and chemistry:
(1) DirectoryofopenaccessJournals (DOAJ for short) is an open periodical catalogue sponsored by LundUniversityLibraries of Lund University, Sweden, and co-organized by OSI and SPARC. The website was established in May 2003, and their goal is to open journals covering all disciplines and languages. Initially, only 350 periodicals were included. By February 24th, 2006, the website * * * contained 2056 kinds of open access periodicals, including 83352 open access articles.
(2) Biomedical Center (BMC), one of the most important publishers of open access magazines, mainly provides peer-reviewed biomedical research papers for free on the Internet. At present, BMC has 16S open access journals, covering the main fields of biology and medicine, including S7 branches such as anesthesiology and biochemistry.
(3) PublicLibraryScience (referred to as PLAS) is a non-profit organization serving scientific and technical personnel and medical personnel, and is committed to making the global literature in the fields of science, technology and medicine into public resources that can be obtained free of charge. At present, PIAS has published five journals in the fields of life science and medicine, and the full text can be obtained free of charge, and has passed the evaluation of peer experts, among which 1 is newly published in 200s, and another new journal will be published in early 2006.
(4) HighWirePress, a famous academic publisher of Stanford University, has become one of the three publishers in the world that can provide full-text academic papers online for free. As of February 20th, 2006, HighWirePreas has provided free retrieval for 9 19 journals, and ** collected17019 free full-text academic papers, mainly including core journals of physics, biology, medicine and sociology, which is called the largest free full-text academic papers database in the world.