title: Heterogeneity of anionic sites at the electrokinetic surfaces of fixed Ehrlich ascites tumor cells.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002286:Carcinoma, Ehrlich Tumor / Q000201:enzymology / Q000503:physiopathology*; D004586:Electrophoresis; D007501:Iron; D007700:Kinetics; D008564:Membrane Potentials; D008854:Microscopy, Electron; D008954:Models, Biological; D009439:Neuraminidase; D012260:Ribonucleases; D013499:Surface Properties
chemical_list: D007501:Iron; D012260:Ribonucleases; D009439:Neuraminidase