Yang DK, Son CH, Lee SK, Choi PJ, Lee KE, Roh MS. Forkhead box M1 expression in pulmonary squamous cell carcinoma: correlation with clinicopathologic features and its prognostic significance. Hum Pathol. 2009 Apr;40(4):464–70. doi: 10.1016/j.humpath.2008.10.001. PMID: 19121844.