preferred_name: Total perfluorohexanoic acid isomers &#x7C; Serum or Plasma &#x7C; Drug toxicology
preferred_name_lc: total perfluorohexanoic acid isomers &#x7c; serum or plasma &#x7c; drug toxicology
label: Total perfluorohexanoic acid isomers &#x7C; Serum or Plasma &#x7C; Drug toxicology
label_lc: total perfluorohexanoic acid isomers &#x7c; serum or plasma &#x7c; drug toxicology