title: Pyelonephritis. VII. Experimental ascending infection with progression of lesions in the absence of bacteria.
mesh_terms: D000818:Animals; D003556:Cystitis / Q000150:complications*; D013293:Enterococcus faecalis; D011704:Pyelonephritis / Q000209:etiology*; D051381:Rats; D013290:Streptococcal Infections / Q000150:complications*; D014515:Ureteral Diseases / Q000209:etiology*