asthma
STUDY OBJECTIVES: To compare the efficacy, safety, and effects on sleep quality       of salmeterol and extended-release theophylline in patients with nocturnal       asthma.
STUDY OBJECTIVES: To compare the efficacy, safety, and effects on sleep quality       of salmeterol and extended-release theophylline in  @OBJECT$   @PREDICAT$  nocturnal        @SUBJECT$ .