Table A3.
Search information in Ovid Medline(R).
| Database name | Medline(R) |
| Database platform | Ovid |
| Date of database coverage | 1946 to November Week 4 2021 |
| Date searched | 12/07/2021 |
| Searched by | ZJ Zhang |
| Number of hits | 1697 |
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.