title: Comparison of plasma theophylline concentrations achieved with a microcrystalline formulation and a sustained release preparation of theophylline [proceedings].
mesh_terms: D000328:Adult; D003460:Crystallization; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D008297:Male; D013806:Theophylline / Q000008:administration & dosage / Q000097:blood*; D013997:Time Factors
chemical_list: D003692:Delayed-Action Preparations; D013806:Theophylline