TY  - RPRT
TI  - [Estimates from a complex survey].
AU  - Maria Helena de Sousa
AU  - Nilza Nunes da Silva
PY  - 2003
DO  - 10.1590/s0034-89102003000500018
UR  - https://pubmed.ncbi.nlm.nih.gov/14569345/
ID  - 14569345
ER  -