PT - JOURNAL ARTICLE AU - Nelson, Steven B TI - The New England Journal of Medicine DP - 2003 Nov 01 TA - Respiratory Care PG - 1055--1056 VI - 48 IP - 11 4099 - http://rc.rcjournal.com/content/48/11/1055.short 4100 - http://rc.rcjournal.com/content/48/11/1055.full