Short-term effects of air pollutants on hospitalization for childhood respiratory diseases in Suzhou City: a time-stratified case-crossover study.

However, the number of hospitalizations showed a decreasing trend in March 2020 and April 2022, followed by a slow increase to a stable trend (Fig.

also in 47,180 other papers

While the remaining subgroups showed a risk effect but did not reach statistical significance levels.

also in 111,027 other papers