"Mr.Heath Ledger died as the result of acute intoxication by the combined effects of oxycodone, hydrocodone, diazepam, temazepam, alprazolam, and doxylamine," the office said in a short statement.

主要意经定论根据特征判断死亡意外，由于处方药引起混合效应中毒。

Subjects were randomly enrolled into three groups: risperidone group, combination of risperidone and benzhexol group and combination of risperdone and alprazolam group.

受试患随机进入3组：单用利培酮组，利培酮+安坦组，利培酮+阿普唑仑组。

35 patients in the test had been treated by granule for relieving worriment,and 34 in the control,treated by alprazolam.

治疗组35例用剂治疗,对照组34例用阿普唑伦治疗。

94 patients meeting criteria for insomnia were randomly assigned into zopiclone group and alprazolam group,treated for 4 weeks.

对94例失眠症患,随机分为佐匹克隆组和阿普唑仑组。疗程4周。