Li, Zhiguo
Ma, Yan
Liu, Guiting
Fang, Ming
Xue, Yingwei
Funding for this research was provided by:
the scientific research project of traditional Chinese medicine in Heilongjiang Province ((Grant#ZHY2020-174))
Article History
Received: 17 January 2021
Accepted: 9 May 2021
First Online: 5 July 2021
Declarations
:
: The study procedures were approved by the Ethics Committee of The Harbin Medical University Cancer Hospital. The study was an observational, retrospective study using a database from which the patients’ identifying information had been removed. This was a retrospective study, and there were no clinical interventions performed involving any patients.
: Not applicable.
: The authors declare that they have no conflicts of interest.