title: [Determination of serum levels of theophylline].
mesh_terms: D002725:Chloroform; D006801:Humans; D007202:Indicators and Reagents; D013053:Spectrophotometry; D013806:Theophylline / Q000097:blood*
chemical_list: D007202:Indicators and Reagents; D002725:Chloroform; D013806:Theophylline
vernacular_title: Determinación de niveles séricos de teofilina.