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Cancer Detection and Prevention|January 1, 1986
The effect of nass use and smoking on the risk of oral leukoplakiaD G Zaridze, M Blettner, E G Matiakin, et al.
IARC Scientific Publications|January 1, 1976
Mutagenicity and possible carcinogenicity of hair colourants and constituentsS Venitt, C E Searle
Cancer Detection and Prevention|January 1, 1990
"Tar", nicotine, and carbon monoxide content of Thai cigarettes, and implications for cancer prevention in ThailandE J Mitacek, K D Brunnemann, A P Polednak
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