Johnsonbaugh R E, O'Connell K, Engel S B, Edson M, Sode J
Fertil Steril. 1975 Apr;26(4):329-30.
Plasma testosterone, LH, and FSH were measured in 24 healthy subjects prior to and after bilateral vasectomy. No significant changes were noted in any of the hormones 42 and 87 days after surgery; this indicated that normal testicular function persisted during the period of study.