@article{BeistiOrtego:63171,
      author        = "Beisti Ortego, A and De Arriba Muñoz, A and Ferrer
                       Lozano,M. and Martínez de Zabarte Fernánadez, JM and
                       Calvo Escribano, C. and Labarta Aizpún, J. I.",
      title         = "{Hypogonadotropic hypogonadism in Klinefelter syndrome and
                       hypothalamic-pituitary tumor}",
      year          = "2015",
}