Declining sperm quality in European men.
Comhaire
F
F
Department of Endocrinology, University Hospital of Ghent, Belgium.
Waeleghem
K V
KV
De Clercq
N
N
Schoonjans
F
F
D005060:Europe; D005260:Female; D006801:Humans; D008297:Male; D013076:Sperm Count; D013081:Sperm Motility; D013094:Spermatozoa / Q000502:physiology*