Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2002 2
2005 1
2010 3
2011 4
2012 2
2013 5
2014 15
2015 26
2016 32
2017 36
2018 39
2019 64
2020 70
2021 71
2022 118
2023 123
2024 51

Text availability

Article attribute

Article type

Publication date

Search Results

590 results

Results by year

Filters applied: . Clear all
Page 1
Did you mean qingping li (93 results)?
Safety and efficacy of umbilical cord tissue-derived mesenchymal stem cells in the treatment of patients with aging frailty: a phase I/II randomized, double-blind, placebo-controlled study.
Zhu Y, Huang C, Zheng L, Li Q, Ge J, Geng S, Zhai M, Chen X, Yuan H, Li Y, Jia W, Sun K, Li Y, Ye T, Zhao Z, Liu H, Liu Z, Jiang H. Zhu Y, et al. Among authors: li q. Stem Cell Res Ther. 2024 Apr 29;15(1):122. doi: 10.1186/s13287-024-03707-2. Stem Cell Res Ther. 2024. PMID: 38679727 Clinical Trial.
590 results