Total petroleum hydrocarbon

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

Field Hierarchy

Parent
Biology 34.8M papers	Genetics 9.7M papers	Geology 9.1M papers	Ecology 7.8M papers
Environmental science 7.7M papers	Paleontology 5.3M papers	Bacteria 2M papers	Soil science 768k papers
Soil water 750k papers		Contamination 253k papers
Current
Total petroleum hydrocarbon 2,074 papers
Child

Trends

Notes

History