title: Effective aid in a complex environment.
authors.forename: Peter S
authors.initials: PS
authors.lastname: Hill
authors.forename: Scott
authors.initials: S
authors.lastname: Brown
authors.forename: Just
authors.initials: J
authors.lastname: Haffeld
mesh_terms: D014943:Global Health; D006040:Goals; D006293:Health Promotion / Q000379:methods* / Q000639:trends; D006801:Humans; D011634:Public Health / Q000639:trends; D012066:Relief Work; D012931:Social Environment; D014480:United Nations