@inproceedings{ Castilla-Alcala_Ramírez-_Vergara_YOLDI_Álvarez-Nieto_Molina-_MENDOZA_Martinez-_Vergara-_Herruzo-:1-1,

author = { Jose Antonio Castilla-Alcala and Jp Ramírez- and Francisco Vergara Jr.- and ALBERTO YOLDI CHAURE and Carmen Álvarez-Nieto and R Molina- and NICOLAS MENDOZA LADRON DE GUEVARA and L. Martinez- and F Vergara- and A Herruzo- } ,

title = { EXTERNAL QUALITY CONTROL OF SEMEN ANALYSIS: EXPERIENCE IN SPAIN },

booktitle = { ANNUAL MEETING OF THE ESHRE (19) (19.2003.MADRID) },

year = { 2003 },

pages = { 1 - 1 },

}