title: Combined administration of controlled release theophylline and ranitidine: a 53-day controlled survey in patients with chronic obstructive lung disease (COLD) and peptic disease.
mesh_terms: D000368:Aged; D003692:Delayed-Action Preparations; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications / Q000188:drug therapy*; D011899:Ranitidine / Q000627:therapeutic use*; D013806:Theophylline / Q000493:pharmacokinetics / Q000627:therapeutic use*
chemical_list: D003692:Delayed-Action Preparations; D011899:Ranitidine; D013806:Theophylline