This is followed by a good, more concise definition: The key term in the definition of platform is 'programmed'. If you can program it, then it's a platform. If you can't, then it's not.. Marc then gets into detail by breaking platforms down into three fundamental approaches or levels:
6 WHO guidelines on drawing blood: best practices in phlebotomy. â¢ capillary sampling (i.e. finger or heel-pricks or, rarely, an ear lobe puncture) for analysis of. capillary blood specimens for all ages; examples include testing of iron levels before blood.
Phlebotomy (bloodletting) has long been the mainstay of therapy for polycythemia vera (PV). The object is to remove excess cellular elements, mainly red blood cells, to improve the circulation of blood by lowering the blood viscosity.