Key term: sperm concentration

Article 1999;25 suppl 1:23-25   pdf
Quality assurance of semen analysis in multicenter studies
Giwercman A, Spano M, Lähdetie J, Bonde JPE, Asclepios
 
Original article 1998;24(5):407-413   pdf
Year of birth and sperm count in 10 Danish occupational studies
Bonde JPE, Kold Jensen T, Brixen Larsen S, Abell A, Scheike T, Hjollund NHI, Kolstad HA, Ernst E, Giwercman A, Skakkebæk NE, Keiding N, Olsen J