acs:

addhealth:

ahrf:

ahs:

anes:

atus:

brfss:

bsapuf:

censo:

censo_escolar:

ces:

chis:

confidentiality:

cpsasec:

cpsbasic:

datasus:

dhs:

enade:

enem:

ess:

faers:

gss:

hmda:

hrs:

lavaanex:

meps:

mlces:

nbs:

ncvs:

nhanes:

nhis:

nhts:

nis:

nls:

nppes:

nps:

nsch:

nsduh:

nsfg:

nvss:

nychvs:

pew:

piaac:

pirls:

pisa:

pls:

pme:

pnad:

pnadc:

pns:

pof:

psid:

saeb:

sbo:

scf:

seer:

share:

sipp:

ssa:

timss:

trendy:

uspums:

wvs:

yrbss: