title: [Expression of PTCH-1 and SMO mRNA in nasopharyngeal carcinoma].
authors.affiliation: School of Life Science, Sun Yat-sen University, Guangzhou 510275, China.
authors.forename: Bai-Yu
authors.initials: BY
authors.lastname: Xiao
authors.forename: Hua
authors.initials: H
authors.lastname: Dang
authors.forename: Jia-Yu
authors.initials: JY
authors.lastname: Gan
authors.forename: Qian
authors.initials: Q
authors.lastname: Cai
authors.forename: Guo-Ping
authors.initials: GP
authors.lastname: Zhang
authors.forename: Hong
authors.initials: H
authors.lastname: Chang