Amitriptyline+Nortriptyline cutoff:MCnc:Pt:Urine:Qn:Confirm
amitriptyline+nortriptyline cutoff:mcnc:pt:urine:qn:confirm
Amitriptyline+Nortriptyline cutoff [Mass/volume] in Urine for Confirmatory method
amitriptyline+nortriptyline cutoff [mass/volume] in urine for confirmatory method