Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Centers for Disease Control and Prevention
John A. Crump, Peter Otieno, Laurence Slutsker +5
Padmini Srikantiah, Sagdullo Vafokulov, Stephen P. Luby +6