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Holiday schedule

Quest Diagnostics Patient Service Centers will have modified hours during the holiday season.

  • Closing early at 12:00pm on December 24, 2025
  • Closed on December 25, 2025
  • Closing early at 12:00pm on December 31, 2025
  • Closed on January 1, 2026


Have a healthy, happy holiday!

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Quest Diagnostics

Using GP1bM Activity (VWF:GPIbM) Versus Ristocetin Cofactor Activity (VWF:RCo) in von Willebrand Factor Panels

International Society on Thrombosis and Haemostasis
ISTH Congress 2022

London, UK, July 9-13, 2022

Poster presentation: Using GP1bM Activity (VWF:GPIbM) Versus Ristocetin Cofactor Activity (VWF:RCo) in von Willebrand Factor Panels

Authors: Wong ECC, Kumar V, Goode D, Espinoza A, Martin N, Noh L, Baldwin J, Zeschmann T, Racke F, Dlott J, Worfolk LA

Specialties: Oncology

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