Guidance for injection:Find:Pt:Lower extremity>Knee:Doc:{Imaging modality}
guidance for injection:find:pt:lower extremity>knee:doc:{imaging modality}
Guidance for injection:Finding:To identify measures at a point in time:Lower extremity>Knee:Document:{Imaging modality}
guidance for injection:finding:to identify measures at a point in time:lower extremity>knee:document:{imaging modality}