External validation of karyotype nomogram to predict karyotype abnormalities in oligospermic men

Affiliations

• ¹ Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea.
• ² Department of Urology, Hanyang University College of Medicine, Seoul, Republic of Korea.
• ³ Department of Urology, Fertility Center, CHA Gangnam Medical Center, CHA University, Seoul, Republic of Korea.
• ⁴ Department of Urology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea.
• ⁵ Department of Biomedical Science, College of Life Science, CHA University, Pochen, Republic of Korea.
• ⁶ Department of Urology, CHA Fertility Center Seoul Station, CHA University School of Medicine, Seoul, Republic of Korea.