title: [The study progress of second-line chemotherapy of small cell lung cancer.].
authors.affiliation: Pulmonary medicine of Shanghai Chest Hospital affiliated to Shanghai Jiao Tong University, Shanghai 200030, China.
authors.forename: Qian
authors.initials: Q
authors.lastname: Miao
authors.forename: Liyan
authors.initials: L
authors.lastname: Jiang