title: [Experiments to establish a rat stock free of mycoplasms].
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D001947:Breeding; D005856:Germ-Free Life; D009174:Mycoplasma / Q000302:isolation & purification; D051381:Rats; D012140:Respiratory Tract Diseases / Q000382:microbiology* / Q000662:veterinary; D012376:Rodent Diseases / Q000382:microbiology*
vernacular_title: Versuche zum Aufbau einer mykoplasmenfreien Rattenzucht