The concept that capillary blood, obtained from pricking the heel or finger and blotted onto filter paper, could be used to screen for metabolic diseases in large populations of neonates was introduced in Scotland by Robert Guthrie in 1963.
True Blood | Blood | In Cold Blood | Harry Potter and the Half-Blood Prince | blood | First Blood | Blood, Sweat & Tears | ABO blood group system | Blood Meridian | Tekken: Blood Vengeance | Hitman: Blood Money | dried fruit | Blood transfusion | Blood Red Shoes | Blood Oranges | Blood Brothers | Rambo: First Blood Part II | National Heart, Lung, and Blood Institute | Canadian Blood Services | Blood Sugar Sex Magik | blood plasma | Blood donation | Blood Brothers (musical) | There Will Be Blood | The Family of Blood | Survivor: Blood vs. Water | Surfer Blood | Spot-billed Pelican | spot | Spartacus: Blood and Sand |