FOCAL SPERMATOGENESIS ORIGINATES IN EUPLOID GERM CELLS IN
      CLASSICAL KLINEFELTER PATIENTS.

       • R.B. Sciurano,  C.V. Luna Hisano,  M.I. Rahn,  S. Brugo Olmedo,
         G. Rey Valzacchi,  R. Coco,  A.J. Solari.
         - Human Reproduction 2009; 24(9): 2353-2360.