id	keyword
ajeer-1088	health
ajeer-1088	health expenditure
ajeer-1088	health outcomes
ajeer-1088	mortality
ajeer-1088	nigeria
ajeer-1088	∑ ∑
ajeer-1088	growth
ajeer-1088	relationship
ajeer-1088	test
ajeer-1088	infant
ajeer-1088	journal
ajeer-1088	life
ajeer-1088	causality
ajeer-1088	expectancy