| prevalence and genotype distribution of cervical human papillomavirus (hpv) among women in urban tianjin, china. | to investigate the prevalence and genotype distribution of human papillomavirus (hpv) infection among women in urban tianjin, china. a cervical cancer screening program for 2,000 women aged 21-65 years old was performed in urban tianjin from april to october in 2013. the program included thinprep cytologic tests (tct), hpv dna detection and genotyping using nested polymerase chain reaction (pcr) combined with pyrosequencing technology. colposcopy examination and biopsy were needed if tct reporte ... | 2015 | 26073652 |