1. Two aminophylline preparations in nocturnal asthma;Al-Khader;Br. J. dis. Chest,1979
2. Single-dose slow-release aminophylline at night prevents nocturnal asthma;Barnes;Lancet,1982
3. A double-blind cross-over study of a slow-release aminophylline tablet (Phyllocontin Continus tablets) as a concomitant therapy in patients with chronic bronchitis on salbutamol maintenance therapy;Black;Br. J. clin. Pract.,1980
4. An evaluation of a controlled release aminophylline tablet (Phyllocontin Continus) as a concomitant therapy in patients receiving salbutamol;Boyd;J. int. med. Res.,1979
5. Interaction between isoprenaline and aminophylline in asthma;Campbell;Thorax,1977