erythrocyte sedimentation rate (ESR), the rate at which red blood cells settle out in a tube of unclotted blood, expressed in millimeters per hour. Blood is collected in an anticoagulant and allowed to form a sediment in a calibrated glass column.
The Butterfly Circus (2009) The Butterfly Circus is the story of a renowned circus troupe traveling through the devastated American landscape at the height of the Great Depression, lifting the spirits of audiences ... See full summary Â».
'Butterfly' is a worldwide brand which started making household sewing machines in 1919 and began production of commercial embroidery machines in 1990. Since its inception, Butterfly has provided its customers with products of the highest quality at the best possible price.