title: Estimation of submicrogram quantities of chrysotile asbestos by electron microscopy.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D001194:Asbestos / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D008854:Microscopy, Electron; D014465:Ultrasonics
chemical_list: D001194:Asbestos