Total petroleum hydrocarbon

https://www.wikidata.org/wiki/Q7828131

Field Hierarchy

Parent
Biology 36M papers	Geology 10.4M papers	Genetics 9.8M papers	Environmental science 8.8M papers
Ecology 8.1M papers	Paleontology 5.5M papers	Bacteria 2M papers	Soil science 806k papers
Soil water 783k papers		Contamination 261k papers
Current
Total petroleum hydrocarbon 2,091 papers
Child

Trends

Notes

History