如何从SQL Server数据库备份中挽救一小部分数据？

I have a live database that had some data deleted from it and I need that data back. I have a very recent copy of that database that has already been restored on another machine. Unrelated changes have been made to the live database since the backup, so I do not want to wipe out the live database with a full restore.I have a live database that had some data delet