|It is the amount of the complete dosage that actually reaches to the circulatory system or blood stream, but it does not all reach the bloodstream at once, so one cannot basically take a blood sample, find out how much drug is in it and separate that quantity by the dose. It is quite totally defined when used accurately.
Oral bioavailability-open-access-articles to the scientific literature means the removal of barriers (including price barriers) from accessing scholarly work. There are two parallel roads towards open access: Open Access articles and self-archiving. Open Access articles are immediately, freely available on their Web site, a model mostly funded by charges paid by the author (usually through a research grant). The alternative for a researcher is âself-archivingâ (i.e., to publish in a traditional journal, where only subscribers have immediate access, but to make the article available on their personal and/or institutional Web sites (including so-called repositories or archives)), which is a practice allowed by many scholarly journals