Reprisals for whistleblowing include the behaviours of bullying and mobbing:
Tim Field's site. Start here for everything you need to know about bullying; you can also buy the book 'Bully in Sight', a very useful resource: http://www.bullyonline.org/workbully/faq.htm
Fighting for Workers Comp? (Actually you are fighting HR, employer and employer's insurer). Try:
Injured workers support group. "Our Mission is to assist and support workers who have sustained work related injuries, illness and disabilities" http://www.injuredworkerssupport.org.au/ For Emergency information : (02) 9749 7566