Correction of x-axes legends of Figure 2 Ole Raaschou-Nielsen, Danish Cancer Society Research Center 4 May 2014 For Figure 2, we used the natural logarithm (ln) of NO2. Therefore, the x-axes legends should read: ln NO2 (ug/m3). Competing interests No competing interests
Environmental Health
Correction of x-axes legends of Figure 2
4 May 2014
For Figure 2, we used the natural logarithm (ln) of NO2. Therefore, the x-axes legends should read: ln NO2 (ug/m3).
Competing interests
No competing interests