TY  - RPRT
TI  - [Data on birthweight in developing countries: are surveys useful?].
AU  - J T Boerma
AU  - K I Weinstein
AU  - S O Rutstein
AU  - A E Sommerfelt
PY  - 1998
DO  - 10.1590/s1020-49891998000200004
UR  - https://pubmed.ncbi.nlm.nih.gov/9542445/
ID  - 9542445
ER  -