Prevalence, risk factors, impact and management of pneumonia among preschool children in Chinese seven cities: a cross-sectional study with interrupted time series analysis

Shi H, Wang T, Zhao Z, Norback D, Wang X, Li Y, Deng Q, Lu C, Zhang X, Zheng X, Qian H, Zhang L, Yu W, Shi Y, Chen T, Yu H, Qi H, Yang Y, Jiang L, Lin Y, Yao J, Lu J, Yan Q, China, Children, Homes, Health (CCHH) Study Group. Prevalence, risk factors, impact and management of pneumonia among preschool children in Chinese seven cities: a cross-sectional study with interrupted time series analysis. BMC Med. 2023; 21(1): 227.