LI Jingzhang, NI Bingqiang, CHEN Rixin, ZHU Zhou. Expression of excision repair cross complementing gene1 and ribonucleotide reductase M1 in non-small cell lung cancer tissue and therapeutic effects of trecombinant human endostatin combined with gemcitabine/cisplatin and its prognostic relationship[J]. Journal of Clinical Medicine in Practice, 2013, (1): 21-23. DOI: 10.7619/jcmp.201301006