preferred_name: Heavy metals positive &#x7C; Urine &#x7C; Drug toxicology
preferred_name_lc: heavy metals positive &#x7c; urine &#x7c; drug toxicology
label: Heavy metals positive &#x7C; Urine &#x7C; Drug toxicology
label_lc: heavy metals positive &#x7c; urine &#x7c; drug toxicology