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1 SS-Penogram: a New Diagnostic Test for Erectile Dysfunction
Hyung Ki Choi, Yeong Jin Choi, Young Deuk Choi, Koon Ho Rha, Jang Hwan Kim, Dong Kee Kim
Yonsei Med J.2002;43(1):1-6.   Published online 2009 April 1     DOI: http://dx.doi.org/10.3349/ymj.2002.43.1.1
      

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