Case,Drug A,Drug B 1,2.0,3.5 2,3.6,5.7 3,2.6,2.9 4,2.6,2.4 5,7.3,9.9 6,3.4,3.3 7,14.9,16.7 8,6.6,6.0 9,2.3,3.8 10,2.0,4.0 11,6.8,9.1 12,8.5,20.9