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. 2019 Nov 27;2(11):e1916318. doi: 10.1001/jamanetworkopen.2019.16318

Figure 2. Association Between Marijuana Use and Risk of Developing Head and Neck Squamous Cell Carcinoma (HNSCC) and Oral Cancer in Case-Control Studies.

Figure 2.

Included are 4 studies27,29,33,34 for HNSCC and 2 studies28,38 for oral cancer. The size of the boxes represents the weight of each study, and the diamond represents the overall effect. OR indicates odds ratio.