PT - JOURNAL ARTICLE AU - Robert R Demers AU - Carmen Burciaga AU - Mark Sousa TI - The Respirgard II 303 breathing circuit filter is NOT an “absolute filter” AID - 10.4187/respcare.05234 DP - 2016 Dec 01 TA - Respiratory Care PG - 1710--1711 VI - 61 IP - 12 4099 - http://rc.rcjournal.com/content/61/12/1710.short 4100 - http://rc.rcjournal.com/content/61/12/1710.full