PT - JOURNAL ARTICLE AU - Chinn, S TI - Statistics in respiratory medicine. 1. Ranges, confidence intervals, and related quantities: what they are and when to use them. AID - 10.1136/thx.46.5.391 DP - 1991 May 01 TA - Thorax PG - 391--393 VI - 46 IP - 5 4099 - http://thorax.bmj.com/content/46/5/391.short 4100 - http://thorax.bmj.com/content/46/5/391.full SO - Thorax1991 May 01; 46