preferred_name: Amitriptyline cutoff &#x7C; Urine &#x7C; Drug toxicology
preferred_name_lc: amitriptyline cutoff &#x7c; urine &#x7c; drug toxicology
label: Amitriptyline cutoff &#x7C; Urine &#x7C; Drug toxicology
label_lc: amitriptyline cutoff &#x7c; urine &#x7c; drug toxicology