Stability studies of amphetamine and ephedrine derivatives in urine
Keywords: افدرین; Ephedrine; Norephedrine; Methylephedrine; Pseudoephedrine; Norpseudoephedrine; Amphetamine; Methamphetamine; 3,4-Methylenedioxyamphetamine (MDA); 3,4-Methylenedioxymethamphetamine (MDMA); Stability; Urine; Doping control