The Graduate Australian Medical School Admissions Test (GAMSAT) has been developed by the Australian Council for Educational Research (ACER) in conjunction with the Consortium of Graduate Medical Schools to assist in the selection of students to participate in the graduate-entry programs. GAMSAT is designed to assess the capacity to undertake high level intellectual studies in a demanding course.
Website: http://gamsat.acer.edu.au

So you want to be a doctor? A guide for prospective medical students in Australia by Kerry Breen