Johnston, S D Studies of the oestrous cycle, oestrus and pregnancy in the koala (Phascolarctos cinereus). [electronic resource] - Journal of reproduction and fertility Sep 2000 - 49-57 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-4251 Standard No.: 10.1530/jrf.0.1200049 doi Subjects--Topical Terms: AnimalsCopulationEstradiol--bloodEstrus--physiologyFemaleGenitalia, Female--anatomy & histologyLabor, Obstetric--physiologyLuteal Phase--physiologyPregnancyPregnancy, Animal--physiologyProgesterone--bloodSexual Behavior, AnimalUrsidae--anatomy & histology