| web | http://www.dw.com/en/sperm-count-in-the-western-world-is-half-what-it-was-in-the-1970s-says-new-research/a-39829877 |
| publication | DW |
| date | 2017-07-25 |
| web | Hagai Levine, Niels Jorgensen | Hum Reprod Update | 2017-07-25 | |
| web | Pete Myers | Environmental Health News | 2017-07-26 | |
| web | Ruth Schuster | Haaretz | 2021-05-10 |
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