Use of anticontamination primers in the polymerase chain reaction for the detection of human papillomavirus genotypes in cervical scrapes and biopsies - Van den Brule,A.; Claas,H.; Dumaine,M.; Melchers,W.; Helmerhorst,T.; Quint,W.; Lindeman,J.; Meijer,C.; Walboomers,J. (J Med Vir, 1989)