Evidence for decreasing quality of semen during past 50 years.Elisabeth Carlsen, Niels E. Skakkebæk|BMJ|1992Cited by 2.7k
Body mass index in relation to semen quality and reproductive hormonesamong 1,558 Danish menTina Kold Jensen, Niels E. Skakkebæk, Anna‐Maria Andersson et al.|Fertility and Sterility|2004Cited by 818
Is human fecundity declining?Niels E. Skakkebæk, Jorma Toppari, Anna‐Maria Andersson et al.|International Journal of Andrology|2006Cited by 311
Human semen quality in the new millennium: a prospective cross-sectional population-based study of 4867 menNiels Jørgensen, Niels E. Skakkebæk, Ulla Nordström Joensen et al.|BMJ Open|2012Cited by 285
Germ cell cancer and disorders of spermatogenesis: An environmental connection?NIELS E. SKAKKEBÉK, JØRN MÜLLER, Ewa Rajpert‐De Meyts et al.|Apmis|1998Cited by 252