tobacco pipe holder Stand for 9 Smoking Bowls - Wooden Pipe - Pipe Rack and can flatten out for portability Wooden Smoking Pipe Stand -

We conducted multinomial regression instead of ordinal logistic regression, because ordered logistic regression models assume that the distance between each category of the outcome is proportional

This cycle can make people feel more dependent on smoking during stressful times, without addressing the underlying causes of stress

Acute tolerance development to the cardiovascular and subjective effects of cocaine

This column offers recommendations about the diagnosis and treatment of attention-deficit hyperactivity disorder (ADHD) among cocaine-dependent adults based on our year-long study of long-acting stimulants in the treatment of patients with these disorders