2016 Patellofemoral pain consensus statement from the 4th International Patellofemoral Pain Research Retreat, Manchester. Part 1: Terminology, definitions, clinical examination, natural history, patellofemoral osteoarthritis and patient-reported outcome measures - Crossley, K M; Stefanik, J J; Selfe, J (Br J Sports Med, 2016)
. doi:10.1136/bjsports-2016-096384