8[4]Naughton CK,Nangia AK,Agarwal A.Pathophysiology of varicoceles in male infertility.Hum Reprod Update,2001,7(5):473-481.
9[5]Betiella A,Merico M,Spolaore D,et al.Needle aspiration testicular cytology as diagnostic parameter in the assessment with varicocele.Arch Ital Urol Androl,2001,73(1):3-13.
10[6]Ma P,Magut M,Faller DV,et al.The rol of Ras in T lymphocyte activation.Cell Signal,2002,14(10):849-859.
