title: Pharmacists' substitution of slow release theophylline products. Committee on Drugs, American College of Allergy and Immunology.
authors.affiliation: American College of Allergy and Immunology, Palatine, IL 60067.
authors.forename: D
authors.initials: D
authors.lastname: Spangler
mesh_terms: D001682:Biological Availability; D003692:Delayed-Action Preparations; D006801:Humans; D010604:Pharmacy; D013806:Theophylline / Q000008:administration & dosage* / Q000493:pharmacokinetics / Q000627:therapeutic use
chemical_list: D003692:Delayed-Action Preparations; D013806:Theophylline