title: Non-invasive technique for obtaining fluorescence excitation and emission spectra in vivo.
mesh_terms: D000818:Animals; D008297:Male; D051379:Mice; D008819:Mice, Nude; D011166:Porphyrins / Q000032:analysis*; D011524:Protoporphyrins / Q000032:analysis*; D012867:Skin / Q000032:analysis*; D013050:Spectrometry, Fluorescence / Q000295:instrumentation / Q000379:methods
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; C028025:protoporphyrin IX