TY  - RPRT
TI  - External quality control program for semen analysis: Spanish experience.
AU  - C Alvarez
AU  - J A Castilla
AU  - J P Ramírez
AU  - F Vergara
AU  - A Yoldi
AU  - A Fernández
AU  - J J Gaforio
PY  - 2005
DO  - 10.1007/s10815-005-7461-2
UR  - https://pubmed.ncbi.nlm.nih.gov/16331534/
ID  - 16331534
ER  -