1. Pulsatile drug-delivery systems;Bussemer;Crit. Rev. Ther. Drug Carrier Syst.,2001
2. Chronopharmacokinetics: implications for drug treatment;Lemmer;J. Pharm. Pharmacol.,1999
3. Chronopharmacology: a review of drugs studies;Ritschel;Methods Find. Exp. Clin. Pharmacol.,1994
4. Fundamentals on pH- and temperature-sensitive delivery systems;Peppas,1993
5. R.W. Baker, Controlled release delivery system by an osmotic bursting mechanism. US Patent 3,952,741, 1976.