Journal of Research in Ayurveda and Pharmacy (Popularity: ): IJRAP is indexed in directory of open access journals, google scholar, PSOAR and Ulrich's Periodicals directory. The Proceedings of the National Academy of Sciences Online (U.S.) (Popularity: ): PNAS. Beginning January 2002, PNAS research articles and papers published online before print in PNAS Early Edition are available only to paid subscribers for six months. All articles from 1990 ... Bepress (Popularity: ): A publisher of free online scholarly journals. Copyright is left in the hands of authors. The archiving software is compatible with eprints software, and hence makes it possible to integrate ... BioMed Central (Popularity: ): Online publisher of free peer-reviewed scientific articles in all areas of medical research and biology. Although it is a for-profit publisher, it provides free online access to all its research ... Cerebral Cortex (Popularity: ): Full-text peer-reviewed articles in neuroscience. Electronic Journals - Virginia Tech (Popularity: ): A collection of free access e-journals hosted by the Virginia Tech Digital Library. Free Medical Journals (Popularity: ): Lists a large number of medical journals that currently provide free full-text access on the web. BeamLine (Popularity: ): A quarterly periodical of particle physics, published by the Stanford Linear Accelerator Center (fall 1994-present). CERN Courier (Popularity: ): International journal of high-energy physics, published by the Institute of Physics (october 1998-present). FDA Consumer Magazine (Popularity: ): The official magazine of the United States Food and Drug Administration (december 1989-present).