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. 2012 Sep 3;12:385. doi: 10.1186/1471-2407-12-385

Figure 7.

Figure 7

Forest plot of ever smoking of any product and squamous – part 2. This is a continuation of Figure 6, presenting the remaining individual study data included in the main meta-analysis for squamous shown in Table 5. Also shown are the combined random-effect estimates. These are represented by a diamond of standard height, with the width indicating the 95% CI.