title: Characterization of the species of the Tetrahymena pyriformis complex.
mesh_terms: D000818:Animals; D004247:DNA / Q000032:analysis; D009693:Nucleic Acid Hybridization; D009626:Terminology as Topic; D013768:Tetrahymena / Q000032:analysis / Q000145:classification* / Q000502:physiology; D013769:Tetrahymena pyriformis / Q000032:analysis / Q000145:classification* / Q000502:physiology
chemical_list: D004247:DNA