id	keyword
cpos-547	fertility
cpos-547	et al
cpos-547	pandemic
cpos-547	countries
cpos-547	covid-19
cpos-547	vanella
cpos-547	population
cpos-547	effects
cpos-547	data
cpos-547	covid-19 pandemic
cpos-547	month
cpos-547	response
cpos-547	signifi
cpos-547	future
cpos-547	economic
cpos-547	mortality
cpos-547	rate
cpos-547	trends
cpos-547	model
cpos-547	vanella et
cpos-547	case
cpos-547	term
cpos-547	approach
cpos-547	patrizio