PT - JOURNAL ARTICLE AU - Anne Thomson TI - The role of negative pressure ventilation AID - 10.1136/adc.77.5.454 DP - 1997 Nov 01 TA - Archives of Disease in Childhood PG - 454--458 VI - 77 IP - 5 4099 - http://adc.bmj.com/content/77/5/454.short 4100 - http://adc.bmj.com/content/77/5/454.full SO - Arch Dis Child1997 Nov 01; 77