title: [On the problem of negative serological reaction in patients with syphilis treated with bicillin-1].
mesh_terms: D010401:Penicillin G Benzathine; D010402:Penicillin G Procaine; D010406:Penicillins / Q000628:therapy*; D013587:Syphilis / Q000628:therapy*
chemical_list: D010406:Penicillins; C024657:benzathine benzylpenicillin, procaine benzylpenicillin, drug combination; D010402:Penicillin G Procaine; D010401:Penicillin G Benzathine
keywords: PENICILLIN/therapy; SYPHILIS/therapy