Oral - 2 comp. 2 Time Concentration 15 0.1 4.7 0.3 13.2 0.5 20.8 1 36.3 2.5 61.4 5 68.1 7.5 61.1 10 52.1 15 37.3 20 27.5 25 21.1 30 16.9 40 11.4 50 8.2 60 5.9