The Canadian researchers randomly assigned about half of the addicts to receive methadone and the other half to receive daily injections of diacetylmorphine, the active ingredient in heroin.
加拿大者对【将】受验者随机组,一半接受美沙酮治疗,另一半每天接受注射二乙酰吗啡,主是海洛因【为海洛因主】。
The Canadian researchers randomly assigned about half of the addicts to receive methadone and the other half to receive daily injections of diacetylmorphine, the active ingredient in heroin.
加拿大者对【将】受验者随机组,一半接受美沙酮治疗,另一半每天接受注射二乙酰吗啡,主是海洛因【为海洛因主】。
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