APA
Yang F., Walker S., Richardson G., Stephens T., Phull M., Thompson A. & Pearse R. M. (20200206). Reply letter to: "A commentary on "cost-effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery, health economic evaluation" (int J Surg 2019; epub ahead of print)". : International journal of surgery (London, England).
Chicago
Yang Fan, Walker Simon, Richardson Gerry, Stephens Tim, Phull Mandeep, Thompson Ann and Pearse Rupert M. 20200206. Reply letter to: "A commentary on "cost-effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery, health economic evaluation" (int J Surg 2019; epub ahead of print)". : International journal of surgery (London, England).
Harvard
Yang F., Walker S., Richardson G., Stephens T., Phull M., Thompson A. and Pearse R. M. (20200206). Reply letter to: "A commentary on "cost-effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery, health economic evaluation" (int J Surg 2019; epub ahead of print)". : International journal of surgery (London, England).
MLA
Yang Fan, Walker Simon, Richardson Gerry, Stephens Tim, Phull Mandeep, Thompson Ann and Pearse Rupert M. Reply letter to: "A commentary on "cost-effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery, health economic evaluation" (int J Surg 2019; epub ahead of print)". : International journal of surgery (London, England). 20200206.