Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Alizarin red staining observation of each group after osteogenic induction cultured for 21 days (×100)
成骨诱导培养 21 d 各组茜素红染色观察（×100）
a. 空白组；b. 对照组；c. IL-4 组；d. BMP-2 组；e. IL-4+BMP-2 组
a. Blank group; b. Control group; c. IL-4 group; d. BMP-2 group; e. IL-4+BMP-2 group
