TY  - RPRT
TI  - [Human spermatogenesis: basic research and clinical issues].
AU  - A F Holstein
PY  - 1999
DO  - 10.1016/s0940-9602(99)80019-3
UR  - https://pubmed.ncbi.nlm.nih.gov/10560008/
ID  - 10560008
ER  -