Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IKEGAMI Maiko and YONEDA Minoru and MORISAWA Shinsuke,The Validity of Default Value of Daily Soil Ingestion Evaluated by the Amount of Soil on Children's Hands,ENVIRONMENTAL ENGINEERING RESEARCH,1341-5115,Japan Society of Civil Engineers,2007,44,,653-659,https://cir.nii.ac.jp/crid/1390282679087838592,https://doi.org/10.11532/proes1992.44.653