title: [Isolation of Nichols strain of Spirochaeta pallida with changed sensitivity to penicillin. II].
mesh_terms: D000818:Animals; D008297:Male; D010402:Penicillin G Procaine / Q000494:pharmacology* / Q000627:therapeutic use; D010403:Penicillin Resistance; D011817:Rabbits; D013142:Spirochaeta / Q000187:drug effects*; D013145:Spirochaetales Infections / Q000188:drug therapy
chemical_list: D010402:Penicillin G Procaine
vernacular_title: Badania nad wyosobnieniem kretków bladych szczepu Nicholsa o zmienionej wrazliwości na penicyline. Doniesienie II.