Are you a general practitioner (GP) that works with clients who are experiencing PTSD? Or even a healthcare worker that works regularly with GPs? Well take a look at this nifty guideline created by the Royal Australia College of General Practitioners (RACGP) and written by Australian academic, Professor David Forbes (formely at Phoenix Australia).
https://www.racgp.org.au/getattachment/e3295894-b0e0-43cc-909b-24f547a591b4/PTSD.aspx