AU - Bedon GA, Block A, Ball WC, Jr. TI - THe "28%" venturi mask in obstructive airway disease PT - JOUR DP - 1970 TA - Archives of Internal Medicine pages = {106-113}, VI - 125 IP - 1 AID - 10.1001/archinte.1970.00310010108010 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1970.00310010108010 SO - Archives of Internal Medicine January 1, 1970 125(1):106