title: Serious infections in young infants in developing countries: rationale for a multicenter study. The WHO Young Infants Study Group.
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis / Q000453:epidemiology / Q000382:microbiology; D003906:Developing Countries / Q000706:statistics & numerical data; D014943:Global Health; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D016920:Meningitis, Bacterial / Q000453:epidemiology / Q000382:microbiology; D015337:Multicenter Studies as Topic; D018410:Pneumonia, Bacterial / Q000453:epidemiology / Q000382:microbiology; D012107:Research Design; D018805:Sepsis / Q000175:diagnosis / Q000453:epidemiology / Q000382:microbiology; D014944:World Health Organization