A four-quark mechanism is proposed which generates virtually the entire known spectrum of (non-charm) meson states to remarkable accuracy. The ground state Oand lnonets are taken as input; exclusive of octetsinglet mixing there are no free parameters. (Submitted to Phys. Rev. Lett.) This work was supported by the National Science Foundation, Grant No. PHY76-24629 AOl. tWork supported by the Dep...

Although oral delivery has a become a widely accepted route of administration of therapeutic drugs, the gastrointestinal tract presents several formidable barrier to drug delivery. The delivery of drugs to the colon has a number of therapeutic implications in the field of drug delivery. In the recent times, the colon specific drug delivery system is also gaining importance not only for local dr...