Karwalajtys, T Vaginal self sampling versus physician cervical sampling for HPV among younger and older women. [electronic resource] - Sexually transmitted infections Aug 2006 - 337-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1368-4973 Standard No.: 10.1136/sti.2005.019430 doi Subjects--Topical Terms: AdolescentAdultAge FactorsAgedFemaleHumansMiddle AgedPapillomavirus Infections--diagnosisPatient SatisfactionVaginal Smears--methods