title: Maintenance theophylline therapy in children: effect on urinary calcium, phosphate and cyclic AMP excretion.
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000188:drug therapy; D002118:Calcium / Q000378:metabolism*; D002648:Child; D002675:Child, Preschool; D000242:Cyclic AMP / Q000378:metabolism*; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D008297:Male; D010710:Phosphates / Q000378:metabolism*; D013806:Theophylline / Q000008:administration & dosage* / Q000097:blood
chemical_list: D003692:Delayed-Action Preparations; D010710:Phosphates; D013806:Theophylline; D000242:Cyclic AMP; D002118:Calcium