TY  - RPRT
TI  - Semen analysis: what tests are clinically useful?
AU  - B J Van Voorhis
AU  - A E Sparks
PY  - 1999
DO  - 10.1097/00003081-199912000-00023
UR  - https://pubmed.ncbi.nlm.nih.gov/10572708/
ID  - 10572708
ER  -