[Determination of ractopamine in animal urine by SPE-HPLC].
Ying
Yongfei
Y
yyf1001@163.com
Pi
Xionge
X
Chen
Huihua
H
Zhu
Congying
C
D000818:Animals; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D010627:Phenethylamines / Q000032:analysis*; D014556:Urine / Q000737:chemistry*
D010627:Phenethylamines; C060897:ractopamine