From: Pharmacokinetics and in vitro efficacy of salicylic acid after oral administration of acetylsalicylic acid in horses
Concentration (μg/ml)
Intraday precision (%) (n = 6 per conc.)
Interday precision (%) (n = 18 per conc.)
Accuracy (%) (n = 6 per conc.)
Plasma
1
4.6
10.3
2.3
5
4.8
1.1
10
3.1
3.4
1.6
Urine
5.1
13.0
6.3
50
4.5
200
8.8
3.2
2.2