O. Igwegbe

The pattern of occupational accidents, injuries, accident causal factors and intervention in Nigerian factories

Nnedinma Umeokafor, Stuart Allan, David Isaac, 2014 .

Prevalence and determinants of unmet need for family planning in Nnewi, south-east Nigeria

O. Igwegbe, O. Ugboaja, N. Monago, 2009 .