Dose-effect relationship of a controlled release theophylline preparation in pre-school children

MeSH terms

• Asthma / blood
• Asthma / drug therapy*
• Child
• Child, Preschool
• Delayed-Action Preparations
• Dose-Response Relationship, Drug
• Humans
• Respiratory Function Tests
• Theophylline / administration & dosage*
• Theophylline / blood
• Theophylline / therapeutic use