id	keyword
cpos-305	fertility
cpos-305	gender
cpos-305	women
cpos-305	second
cpos-305	cohort
cpos-305	countries
cpos-305	revolution
cpos-305	gender revolution
cpos-305	shift
cpos-305	cohort fertility
cpos-305	labor
cpos-305	europe
cpos-305	force
cpos-305	doi
cpos-305	participation
cpos-305	united
cpos-305	family
cpos-305	goldscheider
cpos-305	female