title: Indoor-outdoor carbon monoxide concentrations at four sites in Riyadh, Saudi Arabia.
authors: D R
authors: DR
authors: Rowe
authors: K H
authors: KH
authors: Al-Dhowalia
authors: M E
authors: ME
authors: Mansour
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis*; D002248:Carbon Monoxide / Q000032:analysis*; D012529:Saudi Arabia
chemical_list: D000395:Air Pollutants, Occupational; D002248:Carbon Monoxide