1. Infertility and impaired fecundity in the United States, 1982-2010: data from the national survey of family growth;Chandra,2013
2. Male factor infertility: evaluation and management;Brugh;Med Clin North Am,2004
3. Semen quality in the 21st century;Virtanen;Nat Rev Urol,2017
4. A unique view on male infertility around the globe;Agarwal;Reprod Biol Endocrinol,2015
5. The disappearing sperms: analysis of reports published between 1980 and 2015;Sengupta;Am J Mens Health,2016