title: A 25-year-old farmer developed disorientation and collapsed after entering a manure pit on his dairy farm. Attempts at resuscitation were unsuccessful. What are the risks associated with this exposure and how can they be prevented?
mesh_terms: D000062:Accidents, Occupational / Q000517:prevention & control*; D000328:Adult; D000383:Agriculture; D001237:Asphyxia / Q000209:etiology / Q000401:mortality; D017809:Fatal Outcome; D015386:Hazardous Substances / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008372:Manure; D016273:Occupational Exposure / Q000009:adverse effects*; D016272:Occupational Health
chemical_list: D015386:Hazardous Substances; D008372:Manure