knee dislocations
... that about half of knee dislocations spontaneously relocate before the person arrives at hospital?
... that about half of <b id="mwBE0"><a href="./Knee_dislocation" id="mwBE4" rel="mw:WikiLink" title="Knee dislocation">knee dislocations</a></b> <i id="mwBE8">(example pictured)</i> spontaneously relocate before the person arrives at hospital?