@article{articled4bcbf0c,
title   = {High percentage of abnormal semen parameters in a prevasectomy population},
author = {Pasqualotto, Fábio Firmbach and Sobreiro, Bernardo Passos and Hallak, Jorge and Athayde, Kelly Silveira and Pasqualotto, Eleonora Bedin and Lucon, Antônio Marmo},
year = {2005},
doi = {10.1016/j.fertnstert.2005.09.032},
journal   = {Fertility and Sterility}
}