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Secondary sulphate, from oceans and volcanos, is the dominant natural component of secondary particulate matter (Davy et al, 2024)

Cotinine is a small and polar compound that easily crosses cell membranes

"The section was redacted so as not to compromise that investigation." K2, often known as synthetic marijuana, is a combination of pot and multiple other, varying chemicals

4-Aminobiphenyl DNA damage in liver tissue of hepatocellular carcinoma patients and controls

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