Nine years of crystals.
D000900:Anti-Bacterial Agents / Q000032:analysis; D002844:Chromatium; D010455:Peptides / Q000032:analysis; D010860:Pigments, Biological / Q000032:analysis; D012722:Sewage; D013302:Streptomyces; D014805:Vitamin B 12 / Q000032:analysis*; D014961:X-Ray Diffraction
D000900:Anti-Bacterial Agents; D010455:Peptides; D010860:Pigments, Biological; D012722:Sewage; D014805:Vitamin B 12