TY  - RPRT
TI  - A method for estimating soil ingestion by children.
AU  - P Clausing
AU  - B Brunekreef
AU  - J H van Wijnen
PY  - 1987
DO  - 10.1007/bf00377681
UR  - https://pubmed.ncbi.nlm.nih.gov/3793247/
ID  - 3793247
ER  -