Natalini, C.C. <br/><br/>
Plasma and cerebrospinal fluid alfentanil, butorphanol, and morphine concentrations following caudal epidural administration in horses 

<br/><br/><label>Subjects--Topical Terms: </label><br/>EQUINO<br/>PLASMA<br/>CÉREBRO<br/>COLUNA VERTEBRAL<br/>ELISA<br/>BIOQUÍMICA ANIMAL