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1 Masturbation and its relationship to sexual activities of young males in Korean military service
Yeong Jin Choi, Woong Hee Lee, Koon Ho Rha, Zhong Cheong Xin, Young Duek Choi, Hyuck Ki Choi
Yonsei Med J.2000;41(2):205-208.   Published online 2009 April 7     DOI: http://dx.doi.org/10.3349/ymj.2000.41.2.205
      

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