title: Detection of marijuana smoke in the atmosphere of a room.
mesh_terms: D002188:Cannabis / Q000032:analysis*; D002849:Chromatography, Gas; D013759:Dronabinol / Q000032:analysis; D008722:Methods; D009538:Nicotine / Q000032:analysis; D012906:Smoke / Q000032:analysis*
chemical_list: D012906:Smoke; D009538:Nicotine; D013759:Dronabinol