PT - JOURNAL ARTICLE ED - , TI - Asthma--still a challenge for general practice. DP - 1989 Sep 01 TA - The Journal of the Royal College of General Practitioners PG - 390--391 VI - 39 IP - 326 4099 - http://bjgp.org/content/39/326/390.1.short 4100 - http://bjgp.org/content/39/326/390.1.full SO - J R Coll Gen Pract1989 Sep 01; 39