A case report and literature analysis of gastric signet ring cell carcinoma with acanthosis nigricans
DONG Shu, ZHANG Hao, LIU Yuan, SHEN Yehua, CHEN Qiwen
China Oncology . 2019, (6): 463 -467 .  DOI: 10.19401/j.cnki.1007-3639.2019.06.011