title: Intraspecific variation in Echinococcus: a biochemical approach.
mesh_terms: D000818:Animals; D004446:Echinococcus / Q000032:analysis* / Q000145:classification; D007525:Isoelectric Focusing; D011506:Proteins / Q000032:analysis*; D012995:Solubility; D013045:Species Specificity
chemical_list: D011506:Proteins