^pof;
Urology,;
Pusan;
National;
University;
School;
of;
medicine,;
Busan;
602739,;
Korea;
^pof;
Urology,;
Chonbuk;
National;
University;
Medical;
School,;
Jeonju;
561712,;
Korea;
^pof;
Urology,;
Chonnam;
National;
University;
Medical;
School;
Gwangju;
501746,;
Korea;
^pof;
Urology,;
Sungkyunkwan;
Univer&ty;
School;
of;
Medicine,;
Seou1135;
710,;
Korea;
^pof;
Urology,;
Catholic;
University;
College;
of;
Medicine,;
Seoul;
137701,;
Korea;
^pof;
Urology,;
Hallym;
University;
College;
of;
Medicine,;
Seoul;
13;
7701,;
Korea;
^pof;
Urology,;
Korea;
University;
College;
of;
Medicine,;
Seoul;
152703,;
Korea;
^pof;
Urology,;
lnje;
University;
College;
of;
Medicine,;
Busan;
614735,;
Korea;
^pof;
Urology,;
Yeungnam;
University;
College;
of;
Medicine,;
Daegu;
705717,;
Korea;
^pof;
Urology,;
Konkuk;
University;
School;
of;
Medicine,;
Chungju;
380704,;
Korea;
^pof;
Urology,;
Gyeongsang;
National;
University;
School;
of;
Medicine,;
Jinju;
660702,;
Korea;
社会调查; 韩国; 中年; 男子; 因特网; 患病率; 基础; 随机抽样;