TY  - BOOK
AU  - Johnson,M.H.
TI  - Essential reproduction 
SN  - 0632042877 (pbk)
U1  - 573.619 
PY  - 2000///
CY  - Malden
PB  - Blackwell Science
KW  - Mammals-Reproduction
KW  - Adult testicular function
KW  - Gender sexuality
KW  - Reproductive messengers
KW  - Gonadal function
KW  - PRH
ER  -