title: On the composition of feather extracts used in allergy practice.
mesh_terms: D000485:Allergens / Q000032:analysis*; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002852:Chromatography, Ion Exchange; D004586:Electrophoresis; D005241:Feathers / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D005779:Immunodiffusion; D007633:Keratins / Q000032:analysis; D009584:Nitrogen / Q000032:analysis; D012882:Skin Tests; D013057:Spectrum Analysis; D013784:Textiles; D014020:Tissue Extracts
chemical_list: D000485:Allergens; D000596:Amino Acids; D014020:Tissue Extracts; D007633:Keratins; D009584:Nitrogen