title: Variants of Aspergillus niger induced by gamma rays.
mesh_terms: D001230:Aspergillus / Q000254:growth & development / Q000378:metabolism / Q000528:radiation effects*; D002951:Citrates / Q000096:biosynthesis; D010860:Pigments, Biological / Q000096:biosynthesis; D011830:Radiation Effects
chemical_list: D002951:Citrates; D010860:Pigments, Biological