Changes in the use of anti-asthmatic medication in an international cohort.

Keyword

Administration; Inhalation

Adrenal Cortex Hormones/*therapeutic use

Adult

Age Factors

Anti-Asthmatic Agents/*therapeutic use

Asthma/diagnosis/*drug therapy/*epidemiology

Cohort Studies

Comparative Study

Confidence Intervals

Dose-Response Relationship; Drug

Drug Therapy; Combination

Female

Humans

International Cooperation

Longitudinal Studies

Male

Middle Aged

Odds Ratio

Prevalence

Prognosis

Research Support; Non-U.S. Gov't

Respiratory Function Tests

Risk Assessment

Severity of Illness Index

Sex Factors

Treatment Outcome

Publication and Content Type

ref (subject category)

art (subject category)