preferred_name: Volatile drugs positive &#x7C; Serum or Plasma &#x7C; Drug toxicology
preferred_name_lc: volatile drugs positive &#x7c; serum or plasma &#x7c; drug toxicology
label: Volatile drugs positive &#x7C; Serum or Plasma &#x7C; Drug toxicology
label_lc: volatile drugs positive &#x7c; serum or plasma &#x7c; drug toxicology