Gunyarat Viratyosin. 1990. Development of nifedipine transdermal delivery system via matrix diffusion technique using hydrophilic polymers. Graduate School, Chulalongkorn University;
Gunyarat Viratyosin. (1990) Development of nifedipine transdermal delivery system via matrix diffusion technique using hydrophilic polymers . Chulalongkorn University/Bangkok.
Gunyarat Viratyosin. Development of nifedipine transdermal delivery system via matrix diffusion technique using hydrophilic polymers. . Bangkok:Chulalongkorn University, 1990.
Gunyarat Viratyosin. (1990) Development of nifedipine transdermal delivery system via matrix diffusion technique using hydrophilic polymers . Chulalongkorn University/Bangkok.