methadone maintenance treatment
美沙酮维持治疗
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.
加拿大的研究者对【将】受验者随机分组，一半接受美沙酮的治疗，另一半每天接受注射二乙酰吗啡，主要成分是海洛因【为海洛因的主要成分】。
methadone maintenance treatment
美沙酮维持治疗
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.
加拿大的研究者对【将】受验者随机分组，一半接受美沙酮的治疗，另一半每天接受注射二乙酰吗啡，主要成分是海洛因【为海洛因的主要成分】。
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