Changes in blood testosterone and progesterone concentrations of the North Atlantic minke whale (Balaenoptera acutorostrata) during the feeding season. - Kjeld, Matthías; Alfredsson, Árni; Ólafsson, Örn; Tryland, Morten; Christensen, Ivar; Stuen, Snorre; Árnason, Alfred (Canadian Journal of Fisheries & Aquatic Sciences, 2004)