narrower concept Organophosphorus Compounds - Chlorpyrifos PubMed MeSh Term Organophosphorus Compounds - Diazinon PubMed MeSh Term Organophosphorus Compounds - Dimethoate PubMed MeSh Term Organophosphorus Compounds - Fenitrothion PubMed MeSh Term Organophosphorus Compounds - Parathion PubMed MeSh Term Organophosphorus Compounds - Phosmet PubMed MeSh Term