PT - JOURNAL ARTICLE AU - Cecilia E. Thomas TI - Over-the-counter theophyllines DP - 1986 Apr 01 TA - The Journal of the Royal College of General Practitioners PG - 180--180 VI - 36 IP - 285 4099 - http://bjgp.org/content/36/285/180.4.short 4100 - http://bjgp.org/content/36/285/180.4.full SO - J R Coll Gen Pract1986 Apr 01; 36