8Sketris IS,Methot ME,Nicol D,et al.Effect of calcium-channel blotkers on cyclosporine clearance and use in renal transplant patients.Ann Pharmacother,1994,28:1227-1231.
9Claxton K,Sculpher M,Drummond M.A rational framework for decision-making by the national institute for clinical excellence(NICE).Lancet,2007,360:711-715.
10Adams CP,Brantner VV. Estimating the cost of new drug development:is it really $802 million[J]. Health Aff,2006,25(2):420-428.