The .gov means it’s official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. As a library, NLM provides access to scientific literature. Inclusion in an NLM database does not imply endorsement of, or agreement with, the contents by NLM or the National Institutes of Health.
Learn more: PMC Disclaimer 天津市人民医院肿瘤诊疗中心、天津市中西医结合肿瘤研究所、南开大学人民医院转化医学研究院，天津 300121, Department of Oncology, Tianjin Union Medical Center, Tianjin Cancer Institute of Integrated Traditional Chinese and Western Medicine, the Institute of Translational Medicine, Tianjin Union Medical Center of Nankai University, Tianjin 300121, China