TY  - RPRT
TI  - [Continuous household sampling in epidemiologic studies and for teaching].
AU  - J da R Carvalheiro
AU  - O Sanches
PY  - 1979
DO  - 10.1590/s0034-89101979000300004
UR  - https://pubmed.ncbi.nlm.nih.gov/542794/
ID  - 542794
ER  -