title: A quest for porphyrins in lunar soil: samples from Apollo 11, 12 and 14.
mesh_terms: D055580:Astronomical Phenomena; D001256:Astronomy; D005118:Extraterrestrial Environment; D055593:Geological Phenomena; D005844:Geology; D010860:Pigments, Biological / Q000032:analysis; D011166:Porphyrins / Q000032:analysis*; D013026:Space Flight; D013050:Spectrometry, Fluorescence; D013057:Spectrum Analysis
chemical_list: D010860:Pigments, Biological; D011166:Porphyrins