《中国期刊全文数据库》收录期刊
《中国核心期刊(遴选)数据库》收录期刊
《中文科技期刊数据库》收录期刊
Analysis on clinical characteristics and gastroscopy results of elderly patients with peptic ulcer
ZHANG Dongwei, YANG Changqing
Surgical Research and New Technique . 2017, (3): 158 -161 .  DOI: 10.3969/j.issn.2095-378X.2017.03.004