TY  - RPRT
TI  - Unit conversion as a source of misclassification in US birthweight data.
AU  - D M Umbach
PY  - 2000
DO  - 10.2105/ajph.90.1.127
UR  - https://pubmed.ncbi.nlm.nih.gov/10630152/
ID  - 10630152
ER  -