2 Matching Annotations
  1. Jul 2018
    1. On 2014 Jan 01, Qian Liu commented:

      This is an official government file for Chinese thoracic surgeons.


      This comment, imported by Hypothesis from PubMed Commons, is licensed under CC BY.

  2. Feb 2018
    1. On 2014 Jan 01, Qian Liu commented:

      This is an official government file for Chinese thoracic surgeons.


      This comment, imported by Hypothesis from PubMed Commons, is licensed under CC BY.