title: Keratin in the EGG shells of amphistomes; histochemical differentiation from quinone tanned protein in other trematoda.
mesh_terms: D004531:Eggs / Q000032:analysis*; D006651:Histocytochemistry; D007633:Keratins / Q000032:analysis*; D008722:Methods; D011809:Quinones / Q000032:analysis; D013194:Staining and Labeling; D014200:Trematoda
chemical_list: D011809:Quinones; D007633:Keratins