n :  sedimentation rate of red blood cells determined by the Westergren method - called also Westergren sedimentation rate 
 
Westergren, Alf Vilhelm (b 1891), Swedish physician. In 1921 in an article on blood in pulmonary tuberculosis, Westergren introduced his method for measuring the erythrocyte sedimentation rate.
 
 
 
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