title: Effect of exchange transfusion on elimination of theophylline in premature neonates.
mesh_terms: D000628:Aminophylline / Q000008:administration & dosage; D001049:Apnea / Q000188:drug therapy*; D001724:Birth Weight; D004305:Dose-Response Relationship, Drug; D005078:Exchange Transfusion, Whole Blood; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000188:drug therapy*; D013806:Theophylline / Q000097:blood*
chemical_list: D000628:Aminophylline; D013806:Theophylline