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1 Sexual behavior of Korean young women: preliminary study for the introducing of HPV prophylactic vaccine
Chan Joo Kim, Byoung Gie Kim, Seung Cheol Kim, Young Tae Kim, Yong Man Kim, Sang Yun Park, Yong Sang Song, Nak Woo Lee, Won Chul Lee, Jae Kwan Lee, Chi Hum Cho, Soo Young Hur, Jong Sup Park, Kyu Wan Lee
Korean J Gynecol Oncol.2007;18(3):209-218.   Published online 2019 March 12     DOI: http://dx.doi.org/10.3802/kjgo.2007.18.3.209
      
2 Factors Associated with the Timing of First Sexual Intercourse Among College Students in Busan, Korea
Young Hae Kim, Nam Cheol Park, Hyun Jun Park, Eun Young Yun
Korean J Androl.2011;29(2):134-143.   Published online 2011 August 22     DOI: http://dx.doi.org/10.5534/kja.2011.29.2.134
   

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