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吃草的狮子 发表于 2020-9-9 15:07
开处方多麻烦,以后最好谁都能买大麻,就想买烟一样,超市就能买
超市就能买有什么问题吗?
Results
The cumulative probability estimate of transition to dependence was 67.5% for nicotine users, 22.7% for alcohol users, 20.9% for cocaine users, and 8.9% for cannabis users. Half of the cases of dependence on nicotine, alcohol, cannabis and cocaine were observed approximately 27, 13, 5 and 4 years after use onset, respectively. Significant racial-ethnic differences were observed in the probability of transition to dependence across the four substances. Several predictors of dependence were common across the four substances assessed.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3069146/
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