PT - JOURNAL ARTICLE AU - Graham, Brian L TI - Pulmonary Function Standards: A Work in Progress AID - 10.4187/respcare.01903 DP - 2012 Jul 01 TA - Respiratory Care PG - 1199--1200 VI - 57 IP - 7 4099 - http://rc.rcjournal.com/content/57/7/1199.short 4100 - http://rc.rcjournal.com/content/57/7/1199.full