Pigmented villonodular synovitis: a crowdsourcing study of two hundred and seventy two patients

Lizz van der Heijden1, Sheila R Piner2, Michiel Adrianus Josephus van de Sande3

  • 1Orthopaedic Surgery, Leiden University Medical Centre, Postzone J11-R70, PO Box 9600, 2300 RC, Leiden, The Netherlands. lvanderheijden@lumc.nl.

Abstract

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