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Breathing Exercises
Medicine, Chinese Traditional
Substance-Related Disorders
Anxiety
Marijuana Abuse
Substance Withdrawal Syndrome
Smoking
Marijuana Smoking
Questionnaires
Treatment Outcome
Prevalence
Qi
Sex Factors
Time Factors
Multivariate Analysis
Cohort Studies
Cross-Sectional Studies
Age Factors
Cocaine
United States
Co-Publications
8
4
2
1
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