Citation

Penfold L. M. , Wildt D. E. , Herzog T. L. , Lynch W. , Ware L. , Derrickson S. E. Monfort S. L. (2000) Seasonal patterns of LH, testosterone and semen quality in the Northern pintail duck (Anas acuta). Reproduction, Fertility and Development 12, 229-235.

https://doi.org/10.1071/RD00093