TY - SER AU - Russell,Fiona M. TI - Impact of the change in WHO's severe pneumonia case epidemiology: case studies from six countries KW - Fiji KW - epidemiology KW - Gambia KW - Hospitalization, Laos KW - Malawi KW - Mongolia KW - Pneumonia KW - diagnosis KW - Severity of Illness Index KW - Vietnam KW - World Health Organization ER -