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Publisher
- elsevier bv6
- escholarship, university of california6
- aarhus univ, aarhus, denmark5
- acad med sci, inst gerontol, kiev, ukraine. swiss trop & publ hlth inst, dept epidemiol & publ hlth, basel, switzerland5
- addis ababa univ, addis ababa, ethiopia5
- addis ababa univ, addis ababa, ethiopia;aksum univ, aksum, ethiopia5
- addis ababa univ, addis ababa, ethiopia;arba minch univ, arba minch, ethiopia5
- addis ababa univ, addis ababa, ethiopia;univ south australia, mawson lakes, sa, australia5
- addis ababa univ, coll vet med & agr, addis ababa, ethiopia;debre markos univ, debre markos, ethiopia5