heroin and oxycodone these drugs are nearly identical heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone heroin and oxycodone