Abstract:The reliability and predictive value of salivary theophylline levels was investigated in 58 children who were treated with oral sustained-release theophylline preparations for bronchial asthma. Serum and saliva levels were assessed by fluorescence polarization immunoassay (FPIA), and Seralyzer (reagent strip reflectance photometer method). Forty-six paired serum and saliva samples from 28 patients (Group 1) were used to develop a linear regression formula. This formula was tested on 130 paired serum and saliva… Show more
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