title: Progress in the standardization of stains; twenty-five years of cooperation with the U.S. Department of Agriculture.
authors.forename: H J
authors.initials: HJ
authors.lastname: CONN
mesh_terms: D000383:Agriculture; D004396:Coloring Agents; D006801:Humans; D012015:Reference Standards; D013194:Staining and Labeling; D014481:United States
chemical_list: D004396:Coloring Agents