A good performance of the booth as a negative pressure machine with the stair-cut front curtain. The particles of a voluntary cough from an adult male sitting in the booth that reached the nose of the dummy sitting and standing outside the booth were counted as zero
Keyword(s):
Keyword(s):
1976 ◽
Vol 34
◽
pp. 284-285
1986 ◽
Vol 44
◽
pp. 132-133