Abstract     Description     Claims     Drawing  

US5607915A   [0211] 

Pro-drugs as Novel Delivery Systems   [0163] 
Bioreversible Carriers in Drug Design   [0163] 
Remington's Pharmaceutical Sciences   [0212] 
Molecular Cloning: A Laboratory Manual   [0228] 
Journal of Microbiology: An Experimental Handbook   [0228]