@Article{ ÁLVAREZ_CASTILLA_MELGAREJO_VERGARA_YOLDI_FERNANDEZ_GAFORIO:379-387,

author = { CARMEN ÁLVAREZ NIETO and JOSE ANTONIO CASTILLA ALCALA and ANTONIO JESÚS MELGAREJO FERNÁNDEZ and F VERGARA and ALBERTO YOLDI CHAURE and A. FERNANDEZ and JOSÉ JUAN GAFORIO MARTÍNEZ } ,

title = { EXTERNAL QUALITY CONTROL PROGRAMME FOR SEMEN ANALYSIS: SPANISH EXPERIENCE },

journal = { JOURNAL OF ASSISTED REPRODUCTION AND GENETICS },

year = { 2005 },

volume = { 22 },

issn = { 1058-0468 },

pages = { 379-387 },

}