1Role of circRNA in the incidence and development of tumors: a reviewZHENG Qiao-an, CHEN Yu-hua, CHEN Xiao-min227-2332Protection of bone marrow mesenchymal stem cells-conditioned medium on hydrogen peroxide-induced HepG2 cellsWANG Dong-ming, XING Xiao-wei, YE Xiao-mei, CHEN Zhi, LI Bao-hong, GOU Zhan-ping, WU Du-du234-2393Differential expression of long non-coding RNA in nasopharyngeal carcinoma tissuesPENG Li-jiao, LI Xin-xiao, JIANG Dan-xian, ZHANG Hui-jie, CHEN Jing, WU Wei-hao, HUANG Jing240-2454Preliminary study on ZNF84 gene in promoting the proliferation of cervical cancer cellsSHI Hai-yan, HU Wei-wei, ZHANG Xin, LV Jin, YANG Xiu-mei, YAN Fei246-2505Drug resistance characteristics of Staphylococcus aureus and risk factors of MRSA infection in chronic rhinosinusitis with or without nasal polypsXIE Wei-xu, PAN Shan, QIN Cui-lian, LI Hua-biao, LIU Jun251-2556Correlation of serum 25-hydroxy-vitamin D level at early pregnancy with gestational hypertension and its severityHAN Yi, SITU Wen-ci, LEI Qiao-ru256-2607Clinical observation on the application of 2HRZE/2HR therapeutic regimen combined with mycobacterium vaccae in the treatment of smear negative tuberculosisCHEN Xun-xun, ZHOU Lin, CHEN Zhi-yu, XIAO Bin, LIN Wei-bin, TANG Zhi-qiang, XIAO Ling-wen, CHEN Liang261-2648Effect of iron-rich diet intervention in early pregnancy in the prevention of iron deficiency anemia during pregnancyGU Zhuo-he, TANG Cui-lan, WANG Min264-2669Significance of dynamic monitoring of procalcitonin in the use of antibiotics in patients with acute exacerbation of bronchiectasisCHEN Jun-xian, WEN Qiong-na, SU Wei-qiang267-27010Clinical observation of the therapeutic effect of acupoint application of Tianma Gouteng decoction in the treatment of senile hypertensionDUAN Xiao-lin270-27211Incidence and hospitalization expenses of digestive system malignancies in Huizhou from 2006 to 2015ZHANG Xiao-hui, XU An-gao, CHEN Wen-hao273-27712Clinical observation of combined trimetazidine and atorvastatin calcium in 104 coronary heart disease patients with angina pectoris and dyslipidemiaZHANG Qiu-xia277-27913Effect of percutaneous coronary intervention combined with early cardiac rehabilitation on cardiac function of elderly patients with acute myocardial infarction complicated with hypertensionLV Shao-xiang, GAO Chao, WANG Peng-fei280-28214Sequential therapy of combined alprostadil and beraprost sodium for acute ischemic stroke:clinical observation of 134 casesHUANG Xiao-dong, HUANG Hui283-28515Clinical observation of point acupuncture combined with tropisetron in the prevention and treatment of cis-platinum-induced nausea and vomitingLIN Jia-sheng, HUANG Lu, XU Tian-xiang, LV Shao-jun, LIN Liang-lie, JIANG Yun-fang286-28816Expression and significance of serum thyroglobulin and thyrotropin in differentiated thyroid carcinomaWU Pei-xin, CHEN Zi-biao, JIE Xia, LIN Mu-ben, ZHU Fa-qing289-29117Effect of phacoemulsification cataract extraction combined with intraocular lens implantation on the structure of anterior chamber angleLIN Ying, WU Xiao-tao, LIN Zi-yun, LI Yi-wen, LIN Xiao-mei291-29318Clinical observation of the treatment of placental implantation after induced labor with high-intensity focused ultrasound: 30 casesWU Yan, YE Xiao-feng, LI Xiu-yun, GAO Zu-biao, HAN Fang, LIN Si-yao, YE Min-ting, LU Yi-jing294-29619Clinical characteristics and risk factors of recurrence after unprovoked first seizure in 35 gerontal patientsQIN Xi-xiang, XIAO Yuan-liu, CHEN Zong-mei, CAO Zhu, WU Xi-fen297-29920Clinical observation of the effect of bronchoalveolar lavage and drug injection combined with noninvasive mechanical ventilation in the treatment of aspiration pneumonia complicated with hypoxemia in the elderly patientsTANG Qiu-jing, LI Yuan-yuan, CHEN Sen, CAI Yong-guang, XU Wei-zhen, LI Ye-biao, YANG Guang-quan300-303 