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. 2011 Oct 13;6(10):e24618. doi: 10.1371/journal.pone.0024618

Figure 1. Temperature (left) and relative humidity (right) measurement during each subject exposure session.

Figure 1

The temperature in the cold air exposure box was significantly lower than in the other exposure boxes, and the RH in the dry air exposure box was significantly lower than in the others (both p<0.01). The temperature difference between room air and dry air and the humidity difference between room air and cold air were both non-significant.