MICA
Describe what you see or hear before opening the commentary. An external recording may display its own title.

Guichen Li; Yang Zhang; Xiaobo Zhu; Kun Hou · Ptosis post-traumatique documenté · https://link.springer.com/article/10.1186/s12886-015-0153-5 · CC BY 4.0
Guichen Li; Yang Zhang; Xiaobo Zhu; Kun Hou
View the original sourceTeaching notes based on the cited sources.
Reveal the title and teaching commentary
Ptosis
Learning objective
Observe and describe the document, then compare your interpretation with the atlas sheet.
Points to observe