92
Participants
Start Date
February 1, 2019
Primary Completion Date
October 31, 2020
Study Completion Date
November 30, 2020
modified blood collection method
The bevel of the needle head of the blood collection needle was downward, and the needle was inserted into the skin with the bevel of the needle parallel to the skin.
Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou
Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University
OTHER