Total petroleum hydrocarbon

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

Field Hierarchy

Parent
Biology 36.7M papers	Geology 10.6M papers	Genetics 10M papers	Environmental science 9M papers
Ecology 8.3M papers	Paleontology 5.6M papers	Bacteria 2M papers	Soil science 822k papers
Soil water 799k papers		Contamination 268k papers
Current
Total petroleum hydrocarbon 2,134 papers
Child

Trends

Notes

History