PT - JOURNAL ARTICLE AU - Pickering, William G. TI - The treatable canary DP - 1986 Sep 01 TA - The Journal of the Royal College of General Practitioners PG - 430--431 VI - 36 IP - 290 4099 - http://bjgp.org/content/36/290/430.2.short 4100 - http://bjgp.org/content/36/290/430.2.full SO - J R Coll Gen Pract1986 Sep 01; 36