Quality assurance of semen analysis in multicenter studies - Giwercman, A.; Spano, M.; Lähdetie, J.; Bonde, Jens Peter E.; Asclepios, Asclepios (Scandinavian Journal of Work, Environment & Health, 1999)
Keywords: field study; fluorescence in situ hybridization; quality control; sperm chromatin structure assay; sperm concentration