title: Relationship between plasma and whole blood theophylline concentration in neonates.
mesh_terms: D001049:Apnea / Q000097:blood* / Q000188:drug therapy; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000097:blood* / Q000188:drug therapy; D010949:Plasma / Q000378:metabolism*; D013806:Theophylline / Q000097:blood* / Q000627:therapeutic use
chemical_list: D013806:Theophylline