title: Spontaneous prostate adenocarcinomas in aged germfree Wistar rats.
mesh_terms: D000230:Adenocarcinoma / Q000453:epidemiology*; D000367:Age Factors; D000818:Animals; D005856:Germ-Free Life; D008297:Male; D009362:Neoplasm Metastasis; D009374:Neoplasms, Experimental / Q000453:epidemiology; D011471:Prostatic Neoplasms / Q000453:epidemiology*; D051381:Rats