PT - JOURNAL ARTICLE AU - J R Hall TI - A danger of metered dose inhalers DP - 1990 May 01 TA - British Journal of General Practice PG - 218--218 VI - 40 IP - 334 4099 - http://bjgp.org/content/40/334/218.3.short 4100 - http://bjgp.org/content/40/334/218.3.full SO - Br J Gen Pract1990 May 01; 40