title: Theophylline versus caffeine: comparative effects in treatment of idiopathic apnea in the preterm infant.
mesh_terms: D001049:Apnea / Q000188:drug therapy*; D002110:Caffeine / Q000009:adverse effects / Q000627:therapeutic use*; D004311:Double-Blind Method; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000188:drug therapy*; D009318:Natriuresis / Q000187:drug effects; D011897:Random Allocation; D012119:Respiration / Q000187:drug effects; D013806:Theophylline / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D002110:Caffeine; D013806:Theophylline