The Amsterdam wrist rules:
Algoritme to determine whetever an x-ray are necessary based on a range of variable.
–> Higher age (up)
–> male sex (up)
–> Swelling (up)
–> Swilling near snuffbox (up)
–> Visible deformities (up)
–> Palpation pain on distal radius (up)
–> Palpation pain on radial deviation (down)
–> Palpation pain on axilal of the thumb (down)

The Amsterdam wrist rules: the multicenter prospective derivation and external validation of a clinical decision rule for the use of radiography in acute wrist trauma

http://bmcmusculoskeletdisord.biomedcentral.com/…/s12891-01…

Fracture healing
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3105171/
What delay the fracture healing
https://www.ncbi.nlm.nih.gov/pubmed/18057352