title: Calcium ion fluxes across the external surface of Physarum polycephalum.
mesh_terms: D001692:Biological Transport; D002118:Calcium / Q000378:metabolism*; D009235:Myxomycetes / Q000378:metabolism*; D010804:Physarum / Q000378:metabolism* / Q000648:ultrastructure
chemical_list: D002118:Calcium