title: [Theophylline--once or twice daily?].
authors.forename: C
authors.initials: C
authors.lastname: Schoch
authors.forename: G
authors.initials: G
authors.lastname: Menz
authors.forename: C
authors.initials: C
authors.lastname: Virchow
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D013806:Theophylline / Q000008:administration & dosage*
chemical_list: D013806:Theophylline
vernacular_title: Theophyllin--einmal oder zweimal täglich?