title: Comments on two recent papers (elastin 3, stains with monoazo dyes; and elastin IV, lysinal aldehyde reactions) by Lillie, Pizzolato and Donaldson.
mesh_terms: D000447:Aldehydes; D001391:Azo Compounds; D004547:Elastic Tissue / Q000032:analysis*; D004549:Elastin / Q000032:analysis*; D013194:Staining and Labeling
chemical_list: D000447:Aldehydes; D001391:Azo Compounds; D004549:Elastin