Efficacy of a single intra-articular injection of ultra-high molecular weight hyaluronic acid for hip osteoarthritis: a randomized controlled study.
Daniele ClementiRiccardo D'AmbrosiParide BertoccoMiguel Simon BucciCarlo CardilePaolo RagniGraziella GiaffredaVincenza RagonePublished in: European journal of orthopaedic surgery & traumatology : orthopedie traumatologie (2017)
Multicenter, independent, prospective, randomized controlled trial with level of evidence 1.