PT - JOURNAL ARTICLE AU - Alessandro Massolo TI - Recent alveolar echinococcosis cases in North America warrant further investigation AID - 10.1503/cmaj.73510 DP - 2019 Dec 02 TA - Canadian Medical Association Journal PG - E1338--E1338 VI - 191 IP - 48 4099 - http://www.cmaj.ca/content/191/48/E1338.short 4100 - http://www.cmaj.ca/content/191/48/E1338.full SO - CMAJ2019 Dec 02; 191