Stewart, R. R., L. M. Comishen Stewart, and J. C. Haigh. 1985. “LEVELS OF SOME REPRODUCTIVE HORMONES IN RELATION TO PREGNANCY IN MOOSE: A PRELIMINARY REPORT”. Alces: A Journal Devoted to the Biology and Management of Moose 21 (January):393-402. https://www.alcesjournal.org/index.php/alces/article/view/1419.