1.  Uptodate.com https://www.uptodate.com/contents/overview-of-common-hip-fractures-in-adults
2. Teachmesurgery.com https://teachmesurgery.com/orthopaedic/hip/neck-femur-fracture/

Image courtesy of Assoc Prof Frank Gaillard, Radiopaedia.org, rID: 7555