Relationship between the number of veins ligated in a varicocelectomy with testicular volume, hormonal levels and semen parameters outcome - Pasqualotto, Fábio Firmbach; Lucon, Antonio Marmo; Goes, Plinio Moreira de; Sobreiro, Bernardo Passos; Hallak, Jorge; Pasqualotto, Eleonora Bedin; Arap, Sami (Journal of Assisted Reproduction and Genetics, 2005)