I am glad now that chloroquine is not available (permanent back order) in Canada as results of high retinal toxicity w chloroquine was sobering & changed my practice. I won’t use it long term @RheumNow #ACR20 @CRASCRRheum abstr#1825 https://t.co/1RQi41uV1B https://t.co/lc9za22Zw1