Feasibility of drug screening with panels of human tumor cell lines using a microculture tetrazolium assay - Alley,M.C.; Scudiero,D.A.; Monks,A.P.; Hursey,M.L.; Czerwinski,M.J.; Fine,D.L.; Abbott,B.J.; Mayo,J.G.; Shoemaker,R.H.; Boyd,M.R. (Cancer Research, 1988)