Salbutamol nyob ntawm elisa cov khoom siv
Khoom sim
Ntshav dej, tsiaj cov ntaub so ntswg (nqaij npuas, daim tawv nqaij npua), zis, pub.
Nrhiav kom tau txwv
Cov zis, ntaub so ntswg: 0.5ppb
Pub: 4PPB
Ntshiab: 0.2ppb
Sau koj cov lus ntawm no thiab xa mus rau peb