title: Photoacoustic spectroscopy.
mesh_terms: D000818:Animals; D055592:Biophysical Phenomena; D001703:Biophysics; D004817:Epidermis / Q000648:ultrastructure; D006420:Hemeproteins; D006801:Humans; D007908:Lens, Crystalline / Q000648:ultrastructure; D008027:Light; D004364:Pharmaceutical Preparations / Q000032:analysis; D010788:Photosynthesis; D010944:Plants; D013016:Sound; D013057:Spectrum Analysis / Q000295:instrumentation / Q000379:methods*; D013171:Spores, Bacterial / Q000032:analysis
chemical_list: D006420:Hemeproteins; D004364:Pharmaceutical Preparations