1. Key factors in the rising cost of new drug discovery and development;Dickson;Nat. Rev. Drug Discov.,2004
2. New drugs cost US $2.6 billion to develop;Mullard;Nat. Rev. Drug Discov.,2014
3. Drug delivery systems: an updated review;Tiwari;International journal of pharmaceutical investigation,2012
4. Controlled drug delivery systems: the next 30 years;Yun;Front. Chem. Sci. Eng.,2014
5. Advanced micro-nano-bio systems for future targeted therapies;Ricotti;Curr. Nanosci.,2015