“ 胸椎和腰椎有4處壓縮性骨折”，骨質疏鬆多久了？看看這兩篇科普文

http://www.hbbfyfy.com/index.php?s=/Show/index/cid/213/id/1942.html

https://zhuanlan.zhihu.com/p/357914458