Figure 2From: Age-standardized incidence and mortality rates of oral and pharyngeal cancer in Puerto Rico and among Non-Hispanics Whites, Non-Hispanic Blacks, and Hispanics in the USA Relative Risks' (95% CI) for incidence and mortality of oral and pharyngeal cancer in the Non-Hispanic Whites (NHW), Non-Hispanic Blacks (NHB), and the USA Hispanics (USH) when compared to Puerto Rico, 1998–2002.Back to article page