1Clinical research progress of non-invasive positive pressure ventilation from 2018 to 2019GUAN Li-li, TAO Wei-hua, WANG Ling-wei1-52Advances and challenges in invasive respiratory support techniqueXIE Li-xin6-103Analysis of the difficulties in bundled treatment of severe community-acquired pneumoniaLIU Shuang-lin, LI Qi11-154Application value of procalcitonin in diagnosis and anti-infection management of hospital-acquired pneumoni-a and ventilator-associated pneumoniaZHAN Yang-qing, YE Feng16-205Application of high-flow nasal cannula oxygen therapy in respiratory critical illnessSUN Bing, TANG Xiao21-236Efficacy and safety of thrombolytic therapy for intermediate-high risk pulmonary embolismQIN Zhi-qiang24-277Study on correlation between types of left ventricular false tendons and frequent ventricular premature beatsGE Zhi-xiang, ZHU Yun, YANG Pan28-318Preparation and effectiveness evaluation of time-resolved fluoroimmunoassa kit for detection of transthyretinCHEN Cui-cui, LIANG Huan-kun, LI Jie-xing32-379Effects of butorphanol tartrate on relieving rocuronium injection pain and haemodynamics during induction of anesthesiaCHEN Cheng-zhe, REN Yi-feng, LI Hui-fang38-4210Bioinformatics analysis of human osteosarcoma cell microarray with DGKZ gene silencingTONG Ye, XU Bin, LIU Xiao-wei.42-4711Prognostic evaluation value of the ratio of albumin to globulin in patients with acute exacerbation of chronic obstructive pulmonary diseaseWANG Sai-nan, LIU Jian-bo, HAN Xiao-peng48-5212Clinical study on the treatment of knee osteoarthritis with extracorporeal shock wave combined with Tradi-tional Chinese Medicine Duhuo Jisheng decoctionWANG Hong-run, LI Hong-yu, JIN Xian-yue52-5613Analysis of disease composition and causes of nervous system diseases in Guangzhou childrenLIANG Qiu-fen, YANG Ye, QU Yan-xia57-6014Clinical study of Shenshuai Mixture in treatment of nephron injury caused by high pressure perfusion in re-nal pelvis in kidney stone patientsSHANG Cui-qing, ZHU Jin-yan, LIU Yi-peng61-6315Effects of transabdominal preperitoneal prosthetic and Lichtenstein hernia repair on coagulation function in patients with inguinal herniaXU Hao, ZHENG Lun-hui, ZHANG Ju-yi64-6616Comparative analysis of cerebral ultrasonogram and MRI in 355 high-risk term infantsCHENG Yuan, DENG Wei, HUANG Xiang-hui67-7017Clinical observation on treatment of Hp-positive chronic atrophic gastritis accompanied with intestinal meta-plasia by oral Traditional Chinese Medicine combined with Ginger moxibustionJIANG Rui, YUAN Xiang-ke.70-7418Clinical effect of percutaneous vertebroplasty on osteoporotic vertebral compression fracturesLIU Gang, SHI Zhan-ying, PENG Xiao-zhong75-7819Clinical effect of budesonide combined with curosurf on bronchopulmonary dysplasia in premature infantsCAI Lin, LI Xiao-dong, ZHANG Sheng-rong78-8220Observation on the efficacy of hot-wet compress combined with lumbosacral massage in promoting self-urina-tion for women with urinary retention after natural deliveryZHANG Dong-mei, LIN Hong82-85 