Chemical Warfare AgentsChemical WarfareMustard GasBiological WarfareSarinSomanMilitary ScienceOrganothiophosphorus CompoundsPhosphoric Triester HydrolasesButyrylcholinesteraseOrganophosphorus CompoundsOrganophosphatesCholinesterase ReactivatorsCholinesterase InhibitorsOrganophosphate PoisoningIraqSalivary Gland DiseasesHuman ExperimentationAntidotesParaoxonDecontaminationMilitary Medicine