Diameter:Len:Pt:Cervical canal:Qn:Probe insertion.Pratt
diameter:len:pt:cervical canal:qn:probe insertion.pratt
Diameter:Length:To identify measures at a point in time:Cervical canal:Quantitative:Probe insertion.Pratt
diameter:length:to identify measures at a point in time:cervical canal:quantitative:probe insertion.pratt