PT  - JOURNAL ARTICLE
AU  - A Ramsden
TI  - Active expiration or synchrony?
AID  - 10.1136/adc.61.8.820
DP  - 1986 Aug 01
TA  - Archives of Disease in Childhood
PG  - 820--821
VI  - 61
IP  - 8
4099  - http://adc.bmj.com/content/61/8/820.1.short
4100  - http://adc.bmj.com/content/61/8/820.1.full
SO  - Arch Dis Child1986 Aug 01; 61