title: Proceedings: Some preliminary work on cockroach-infested sewers in London.
mesh_terms: D000818:Animals; D003058:Cockroaches; D004755:Enterobacteriaceae / Q000302:isolation & purification*; D007422:Intestines / Q000382:microbiology; D008131:London; D012722:Sewage
chemical_list: D012722:Sewage