Reproductive physiology of Missouri River gravid pallid sturgeon and shovelnose sturgeon during the 2005 and 2006 spawning seasons: Chapter C in Factors affecting the reproduction, recruitment, habitat, and population dynamics of pallid sturgeon and shovelnose sturgeon in the Missouri River - Papoulias, Diana; Annis, Mandy L.; DeLonay, Aaron; Tillitt, Donald (Open-File Report, 2007)