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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Lung Cancer. 2013 Dec;82(3):390–396. doi: 10.1016/j.lungcan.2013.09.012

Fig. 1.

Fig. 1

Representative image of squamous cell carcinoma (Panels A and B), adenocarcinoma (Panels C and D) and preneoplastic lesions (Panels E and F) at 10X and 40X magnifications in the lung of ferrets exposed to NNK for 24 - 32 weeks.