Clinical practice guidelines are created to outline best practice for the care of patients. Ideally they are based on the most up to date and reliable research evidence and an understanding of the benefits and potential harms of different options.
The following can be found via CIAP Guidelines:
eTG - Therapeutic Guidelines
MOH Policy Directives and Guidelines
NHMRC Clinical Practice Guidelines Portal
Agency for Clinical Innovation
RCH Clinical Practice Guidelines
Australian Resuscitation Council Guidelines
SCHN (Sydney Children's Hospital Network clinical policies)
NICE: National Institute for Health and Care Excellence
BMJ Best Practice
Also the CIAP Speciality Guides link to guidelines relevant to particular specialities