No abstract available
Publication types
-
Clinical Trial
-
Comparative Study
-
Controlled Clinical Trial
-
English Abstract
MeSH terms
-
Adult
-
Aged
-
Analysis of Variance
-
Clinical Trials as Topic
-
Delayed-Action Preparations
-
Humans
-
Lung Diseases, Obstructive / drug therapy*
-
Male
-
Middle Aged
-
Random Allocation
-
Theophylline / administration & dosage*
-
Theophylline / blood
-
Time Factors
Substances
-
Delayed-Action Preparations
-
Theophylline