title: Platelet-rich plasma (PRP) to treat chronic patellar tendinopathies: comparison of a single versus two closely-timed injections.
authors.affiliation: Department of Physical Medicine and Sports Traumatology, CHU Liège, Belgium.
authors.forename: Jean-François
authors.initials: JF
authors.lastname: Kaux
authors.affiliation: Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Belgium.
authors.forename: Vincent
authors.initials: V
authors.lastname: Libertiaux
authors.affiliation: Department of Sports and Rehabilitation Sciences, University of Liège, Belgium.
authors.forename: Jean-Louis
authors.initials: JL
authors.lastname: Croisier
authors.affiliation: Department of Physical Medicine and Sports Traumatology, CHU Liège, Belgium.
authors.forename: Jean-Michel
authors.initials: JM
authors.lastname: Crielaard