PT - JOURNAL ARTICLE AU - William R Howard TI - Flow Meters: What Do You Mean the Flow Rate From One Does Not Equal the Same Flow Rate From Another? AID - 10.4187/respcare.01900 DP - 2012 Jul 01 TA - Respiratory Care PG - 1197--1198 VI - 57 IP - 7 4099 - http://rc.rcjournal.com/content/57/7/1197.short 4100 - http://rc.rcjournal.com/content/57/7/1197.full