The conduct of in vitro and in vivo drug-drug interaction studies: a PhRMA perspective - Bjornsson, T D; Callaghan, J T; Einolf, H J; Fischer, V; Gan, L; Grimm, S; Kao, J; King, S P; Miwa, G; Ni, L; Kumar, G; McLeod, J; Obach, S R; Roberts, S; Roe, A; Shah, A; Snikeris, F; Sullivan, J T; Tweedie, D; Vega, J M; Walsh, J; Wrighton, S A (J Clin Pharmacol, 2003)