机译:最近几十年来,丹麦男性男性的精子数量下降了吗?精子数量与出生年份的关系研究
DepartmentofClinicalChemistry,SonderborgSygehus,Sonderborg,Denmark;
DepartmentofOccupationalMedicine,HospitalofAalborg,Aalborg,Denmark;
NotionalEvaluationCentreforToxicologyofFertilityRegalatingDrugs,Shanghai200032,P.R.China;
TheSTENOInstituteofPublicHealth,UniversityofAarhus,Denmark;