id	keyword
bjos-8667812	covid-19
bjos-8667812	health
bjos-8667812	oral
bjos-8667812	pandemic
bjos-8667812	care
bjos-8667812	doi
bjos-8667812	brazil
bjos-8667812	education
bjos-8667812	study
bjos-8667812	measures
bjos-8667812	dentistry
bjos-8667812	recommendations
bjos-8667812	biosafety
bjos-8667812	sci
bjos-8667812	ohcws
bjos-8667812	public