id	keyword
bjos-8647093	roa
bjos-8647093	dentists
bjos-8647093	appliances
bjos-8647093	hygiene
bjos-8647093	children
bjos-8647093	frequency
bjos-8647093	cleaning
bjos-8647093	oral
bjos-8647093	study
bjos-8647093	pelotas
bjos-8647093	method