Lancet Global Health
Jan 2019 Volume 7 Number 1e1-e159
http://www.thelancet.com/journals/langlo/issue/current
Global, regional, and national estimates of pneumonia morbidity and mortality in children younger than 5 years between 2000 and 2015: a systematic analysis
David A McAllister, Li Liu, Ting Shi, Yue Chu, Craig Reed, John Burrows, Davies Adeloye, Igor Rudan, Robert E Black, Harry Campbell, Harish Nair