title: USES FOR A HOLMIUM OXIDE FILTER IN SPECTROPHOTOMETRY.
mesh_terms: D005374:Filtration; D006695:Holmium; D006801:Humans; D010087:Oxides; D013053:Spectrophotometry
chemical_list: D010087:Oxides; D006695:Holmium
keywords: FILTRATION; HOLMIUM; SPECTROPHOTOMETRY