The United States announced Tuesday that it has formally launched consultations to evaluate the agreement's results over the past five years. The move starts a months-long process, signaling that ...

OTTAWA, Sept. 17 (Xinhua) -- Bank of Canada on Wednesday reduced its policy rate by 25 basis points to 2.5 percent. The central bank said in a news release that with a weaker economy and less upside ...

As summer winds down, Ottawa is set to bask in sunshine and warm temperatures, with highs reaching 24°C this week. This beautiful weather provides an excellent opportunity for residents and visitors a ...

踝关节和中足扭伤患者占急诊患者的 5%，骨折漏诊率高达 15%。为了更好的确定是否需要进行 X 线检查，1992 年提出渥太华踝关节准则（OAR）（图 1）。 OAR 对发现骨折敏感性接近 100%，但准确性仅为 32%。基于 OAR 准则，仍有 50% 患者进行了不必要的 X 线检查，增加 ...