| trends in the rates of resistance of ureaplasma urealyticum to antibiotics and identification of the mutation site in the quinolone resistance-determining region in chinese patients. | the resistance of ureaplasma urealyticum to antibacterials, isolated from 804 patients from the outpatient clinic of the sir run run shaw hospital hangzhou, china, from march to june over six consecutive years (1999-2004) was reviewed. the quinolone resistance-determining region of six strains of u. urealyticum was analyzed. the level of resistance to doxycycline, josamycin, tetracycline, azithromycin, clarithromycin and pristinamycin was below 20% and did not change during the study period. the ... | 2006 | 16734777 |