Tang-LiuDDSTozerTNRiegelmanS. Urine flow-dependence of renal clearance in man. J Pharmacokinet Biopharm1982; 10: 351–64.
2.
AgbabaDPokrajacMVaragicVMPesicV. Dependence of the renal clearance of theophylline on its plasma concentrations and urine flow rate in asthmatic children. J Pharm Pharmacol1990; 42: 827–30.
3.
GrygielJJBirkettDJPhillD. Effect of age on patterns of theophylline metabolism. Clin Pharmacol Ther1980; 28: 456–62.
4.
BerdelDSüverkrüpRHeimannGBergAVLiappisNStühmerA. Total theophylline clearance in childhood: The influence of age-dependent changes in metabolism and elimination. Eur J Pediatr1987; 146: 41–3.
5.
BonnackerLBerdelDSüverkrüpRBergA. Renal clearance of theophylline and its major metabolites: Age and urine flow dependency in paediatric patients. Eur J Clin Pharmacol1989; 36: 145–50.