title: In vitro phagocytosis of avirulent T. pallidum by rabbit macrophages.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D066298:In Vitro Techniques; D008264:Macrophages / Q000378:metabolism; D008854:Microscopy, Electron; D010587:Phagocytosis; D011817:Rabbits; D014210:Treponema pallidum / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes