1Yohko Akiyama,Naoki Nagahara,Toshio Kashihara,Shinichiro Hirai,Hajime Toguchi. In Vitro and in Vivo Evaluation of Mucoadhesive Microspheres Prepared for the Gastrointestinal Tract Using Polyglycerol Esters of Fatty Acids and a Poly(acrylic acid) Derivative[J] 1995,Pharmaceutical Research(3):397～405
