Evrard, H., Baillien, M., Absil, A., Foidart, A., & Balthazart, J. (2000). Localization
and controls of aromatase in the quail spinal cord. The Journal of Comparative Neurology,
423(4), 552-564. doi:10.1002/1096-9861(20000807)423:4<552:AID-CNE2>3.0.CO;2-S.