Tiny stitches

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A biography of Vivien Thomas, an African American surgical technician who developed the first procedure used to perform open-heart surgery on children.
SurgeryAfrican American surgeonsJuvenile literatureOperating room techniciansBiographyCardiovascular systemSurgeonsPhysicians, juvenile literatureMaryland, juvenile literatureAfrican AmericansHistoryCardiovascular Surgical Procedures