[A convenient method for taking small quantities of blood serum].
D020811:Biomedical Technology; D002498:Centrifugation / Q000600:supply & distribution*; D004864:Equipment and Supplies; D006405:Hematology / Q000600:supply & distribution*; D013677:Medical Laboratory Science / Q000600:supply & distribution*; D044967:Serum; D013672:Technology
CENTRIFUGATION/equipment and supplies; HEMATOLOGY/equipment and supplies; TECHNOLOGY, MEDICAL/equipment and supplies