title: Sub-part-per-trillion detection of polycyclic aromatic hydrocarbons by laser induced molecular fluorescence.
mesh_terms: D007834:Lasers; D008832:Microchemistry; D011083:Polycyclic Compounds / Q000032:analysis*; D013050:Spectrometry, Fluorescence / Q000379:methods*
chemical_list: D011083:Polycyclic Compounds