title: Ultrastructure of Rickettsia prow azeki. An electron microscope study of ultrathin sections from infected louse guts and chick embryo yolk sacs.
mesh_terms: D000818:Animals; D002642:Chick Embryo / Q000382:microbiology; D004064:Digestive System / Q000382:microbiology; D008854:Microscopy, Electron; D008003:Phthiraptera; D012283:Rickettsia prowazekii / Q000166:cytology*