Rylance, G W Re-evaluation of saliva for monitoring theophylline concentrations. [electronic resource] - Archives of disease in childhood Jan 1985 - 66-8 p. digital Publication Type: Journal Article ISSN: 1468-2044 Standard No.: 10.1136/adc.60.1.66 doi Subjects--Topical Terms: AdolescentChildChild, PreschoolHumansSaliva--analysisTheophylline--administration & dosage