Cephalosporin 3-in-1 Residue ELISA Cov Khoom Siv
Qauv
Cov khoom siv dej (ntses, cw), mis nyuj, daim ntaub (nqaij qaib, nqaij npuas, nqaij nyuj)
Kev kuaj pom txwv
Cov ntaub so ntswg, cov khoom dej: 2ppb
tej: 5pb
Sau koj cov lus ntawm no thiab xa tuaj rau peb