A multicentre randomised double-blind placebo-controlled trial of zoledronic acid for knee osteoarthritis - the zap2 trial. Issue 1 (April 2020) - Aitken, D.; Cai, G.; Laslett, L.L.; Hill, C.; March, L.; Cicuttini, F.; Wluka, A.E.; Wang, Y.; Antony, B.; Blizzard, L.; Winzenberg, T.; Martel-Pelletier, J.; et al.