title: [Transformation to small-cell lung cancer from advanced lung adenocarcinoma after gefitinib treatment -report of a case].
authors.affiliation: The 6th Division of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine. Shanghai 200032, China.
authors.forename: R
authors.initials: R
authors.lastname: Chen
authors.forename: J L
authors.initials: JL
authors.lastname: Sun