Figure 3
From: The prevalence of childhood asthma in China: a systematic review
Prevalence of current asthma (%) in 1990 and 2000. (* Not part of the national studies. Wulumuqi = Urumqi).
Figure 3 | BMC Public Health
From: The prevalence of childhood asthma in China: a systematic review
Prevalence of current asthma (%) in 1990 and 2000. (* Not part of the national studies. Wulumuqi = Urumqi).