853 top medical experts on Blood Specimen Collection across 46 countries and 36 U.S. states, including 760 MDs (Physicians). This is based on an objective analysis of their Scientific Publications, Clinical Trials, Medicare, and NIH Grants.

  1. Blood Specimen Collection: The taking of a blood sample to determine its character as a whole, to identify levels of its component cells, chemicals, gases, or other constituents, to perform pathological examination, etc.
  2. Clinical guidelines are the recommended starting point to understand initial steps and current protocols in any disease or procedure:
  3. Broader Categories (#Experts): Specimen Handling (3,489), Punctures (3,640) and Narrower Categories: Cordocentesis (144), Petrosal Sinus Sampling (207), Phlebotomy (3,601).




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