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  • Database
    Summary: SciELO (Scientific Electronic Library Online) is a database index of about 650 OA journals covering research in Latin America, Spain, Portugal, the Caribbean and South Africa. SciELO is a program of the Sao Paulo Research Foundation for the cooperative publishing of open access journals on the internet. Covers 1997 to present. The Scientific Electronic Library Online - SciELO is an electronic virtual library covering a selected collection of Brazilian scientific journals. The library is an integral part of a project being developed by FAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo, in partnership with BIREME - the Latin American and Caribbean Center on Health Sciences Information. The FAPESP-BIREME Project envisages the development of a common methodology for the preparation, storage, dissemination and evaluation of scientific literature in electronic format. As the project develops, new journal titles will be added in the library collection. The objective of the site is to implement an electronic virtual library, providing full access to a collection of serial titles, a collection of issues from individual serial titles, as well as to the full text of articles. The access to both serial titles and articles is available via indexes and search forms. SciELO interface provides access to its serials collection via an alphabetic list of titles or a subject index or a search by word of serial titles, publisher names, city of publication and subject. The interface also provides access to the full text of articles via author index or subject index or a search form on article elements such as author names, words from title, subject and words from the full text.
    Digital Access Thomson 1990-
  • Article
    Burckhardt JJ.
    Scand J Immunol. 1978;7(2):167-72.
    Peripheral T lymphocytes from RIC-Sprague-Dawley rats primed in vivo several months earlier with Actinomyces viscosus Ny 1 reacted with a strong proliferative response upon antigenic challenge in vitro. Two different antigen preparations from A. viscosus Ny 1, a broken cell supernatant (BCS) and an extracellular fraction (EXC) gave maximum responses as measured by the uptake of [3H]thymidine at a concentration of 10 microgram at day 4 of culture. Phytohaemagglutinin (PHA) used as a control provoked a maximum proliferation in the same order of magnitude. T lymphocytes from unprimed, germfree and conventional animals showed a similar stimulation to PHA, but only a marginal reaction to BCS, and were not at all activated by EXC. Evidence is thus presented for efficient removal of cells responding non-specifically to B-cell mitogens.
    Digital Access Access Options