Kathrins Martin
Division of Urology, Brigham and Women's Hospital, Boston, Massachusetts.
Fertil Steril. 2016 Jul;106(1):68-69. doi: 10.1016/j.fertnstert.2016.04.030. Epub 2016 May 4.
Schmidt SS. Technics and complications of elective vasectomy. The role of spermatic granuloma in spontaneous recanalization. Fertil Steril 1966;17(4):467-82. "If the proximal end of the vas is ligated, the ligature may either cut through or dissolve, allowing a blowout or expulsion of spermatozoa."