![Biology / Fertility / Reproduction / Semen quality / Semen analysis / Sperm donation / Male infertility / Oligospermia / Semen collection / Human reproduction / Semen / Fertility medicine Biology / Fertility / Reproduction / Semen quality / Semen analysis / Sperm donation / Male infertility / Oligospermia / Semen collection / Human reproduction / Semen / Fertility medicine](https://www.pdfsearch.io/img/291362ce82f2c906aa6f9f59c9259bc7.jpg) Biology Fertility Reproduction Semen quality Semen analysis Sperm donation Male infertility Oligospermia Semen collection Human reproduction Semen Fertility medicine | | Articles The Question of Declining Sperm Density Revisited: An Analysis of 101 Studies Published 1934–1996 Shanna H. Swan,1 Eric P. Elkin,2 and Laura Fenster 3 1FamilyAdd to Reading ListSource URL: www.ncbi.nlm.nih.govDownload Document from Source Website File Size: 84,46 KBShare Document on Facebook
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