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    STUDIA PHYSICA - Issue no. 2 / 2001  
         
  Article:   CORRELATION COEFFICIENTS FOR INVESTIGATION OF HEMODYNAMICS BY DOPPLER EFFECT.

Authors:  VIORICA SIMON, M. BICHIS, T. SUTEU.
 
       
         
  Abstract:  The correlation coefficients are introduced in order to appreciate the functional type of the thyroid gland with a higher accuracy than allowed by pulsatility and resistivity indices usually used in ultrasonography. The correlation coefficients are the ratios between the average velocity obtained for the investigated patients and the normal value of average velocity. For the investigated cases they are ranging between 0.92 and 0.58 in hypothyroidism and between 1.1 and 1.36 in hyperthyroidism.  
         
     
         
         
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