Comment on

• Comparison of efficacy of two techniques for testicular sperm retrieval in nonobstructive azoospermia: multifocal testicular sperm extraction versus multifocal testicular sperm aspiration.

  Hauser R, Yogev L, Paz G, Yavetz H, Azem F, Lessing JB, Botchan A. Hauser R, et al. J Androl. 2006 Jan-Feb;27(1):28-33. doi: 10.2164/jandrol.05055. J Androl. 2006. PMID: 16400074
• Clinical use of pentoxifylline for activation of immotile testicular sperm before ICSI in patients with azoospermia.

  Kovacic B, Vlaisavljevic V, Reljic M. Kovacic B, et al. J Androl. 2006 Jan-Feb;27(1):45-52. doi: 10.2164/jandrol.05079. J Androl. 2006. PMID: 16400077