Gupta, B., & Johnson, N. W. (2014). Systematic Review and Meta-Analysis of Association of Smokeless Tobacco and of Betel Quid without Tobacco with Incidence of Oral Cancer in South Asia and the Pacific. PLoS One.
शिकागो स्टाइल उद्धरणGupta, Bhawna, और Newell W. Johnson. "Systematic Review and Meta-Analysis of Association of Smokeless Tobacco and of Betel Quid Without Tobacco With Incidence of Oral Cancer in South Asia and the Pacific." PLoS One 2014.
एमएलए उद्धरणGupta, Bhawna, और Newell W. Johnson. "Systematic Review and Meta-Analysis of Association of Smokeless Tobacco and of Betel Quid Without Tobacco With Incidence of Oral Cancer in South Asia and the Pacific." PLoS One 2014.
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