TY  - RPRT
TI  - Decreasing sperm counts? A critical (re)view.
AU  - A Lerchl
AU  - E Nieschlag
PY  - 1996
DO  - 10.1055/s-0029-1211458
UR  - https://pubmed.ncbi.nlm.nih.gov/8886746/
ID  - 8886746
ER  -