the pharmacokinetics of theophylline in serum and saliva , and the pulmonary functions were examined in seven asthmatic children aged 9-14 years in both single ( 6.7 +/- 0.8 micrograms/kg ) and multiple dosing settings of sustained-release theophylline formulation , slo-bid , designed for 12-hour dosing intervals .
C0039771
theophylline
C0700842
slo-bid