Fig. 3From: Long-term monitoring of opioid, sedative and anti-inflammatory drugs in horse hair using a selective and sensitive LC-MS/MS procedurePattern of flunixin in hair of the same horse treated 1 week before sample collection. a Flunixin in white mane hair. b Flunixin in dark tail hair. These findings reflect sweat- and sebum-mediated flunixin incorporationBack to article page