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