title: [S-theophylline levels in patients on theophylline maintenance therapy].
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013806:Theophylline / Q000008:administration & dosage / Q000009:adverse effects / Q000097:blood*
chemical_list: D013806:Theophylline
vernacular_title: S-teofyllin hos patienter i teofyllin-vedligeholdelsesbehandling.