1. Practice Committee of the American Society for Reproductive Medicine. Diagnostic evaluation of the infertile male: a committee opinion. Fertil Steril. 2015;103(3):e18–25.
2. Hotaling JM. Genetics of male infertility. Urol Clin North Am. 2014;41(1):1–17.
3. Partin A, Peters C, Kavoussi L, Dmochowski R, WeinA (eds). Chapter 20, Embryology of the genitourinary tract. 12th ed. Cambell’s-Walsh Wein Urology: Elsevier; 2020.
4. American College of Radiology, Society for Pediatric Radiology, Society of Radiologists in Ultrasound. AIUM practice guideline for the performance of scrotal ultrasound examinations. J Ultrasound Med. 2015;34(8):1–5.
5. American College of Radiology, Society of Radiologists in Ultrasound. AIUM practice guideline for the performance of an ultrasound evaluation of the prostate (and surrounding structures). J Ultrasound Med. 2015;34(8):1–6.