Organochlorine insecticides:Prid:Pt:Gast fld:Nom
organochlorine insecticides:prid:pt:gast fld:nom
Organochlorine insecticides:Presence or Identity:To identify measures at a point in time:Gastric fluid/contents:Nominal
organochlorine insecticides:presence or identity:to identify measures at a point in time:gastric fluid/contents:nominal