Hanafi AR, Syahruddin E, Hudoyo A, Hidayat H, Suzanna E. J Respir Indones. 2010;30(3):134-45 Introduction. The tumor suppressor gen p53 mutation encodes a protein that inhibits programmed cell death (apoptosis). The protein is expressed in basal cells in normal human epithelium, but no data are available on the frequency or clinical importance of its expression […]