<i>QuickStats</i>: Percentage of U.S. Women Aged 21–65 Years Who Never Had a Papanicolaou Test (Pap Test),* by Place of Birth and Length of Residence in the United States† — National Health Interview Survey, 2013 and 2015§
Morbidity and Mortality Weekly Report - Tập 66 Số 12 - Trang 346