PT - JOURNAL ARTICLE AU - J W Jenne TI - What role for theophylline? AID - 10.1136/thx.49.2.97 DP - 1994 Feb 01 TA - Thorax PG - 97--100 VI - 49 IP - 2 4099 - http://thorax.bmj.com/content/49/2/97.short 4100 - http://thorax.bmj.com/content/49/2/97.full SO - Thorax1994 Feb 01; 49