1Cortes D, Thorup J, Visfeldt J. Multinucleated spermatogonia in cryptorchid boys: A possible association with an increased risk of testicular malignancy later in life? APMIS, 2003, 111 ( 1 ) : 25- 30.
2Sampaio FJ. LH-RH analogue for unilateral cryptorchidism. Int Braz J Urol, 2008, 34(3) : 257-258.