title: Delayed toxicity with slow-release theophylline.
mesh_terms: D000293:Adolescent; D003692:Delayed-Action Preparations; D006801:Humans; D008297:Male; D013806:Theophylline / Q000008:administration & dosage / Q000097:blood / Q000506:poisoning*; D013997:Time Factors
chemical_list: D003692:Delayed-Action Preparations; D013806:Theophylline