TY - JOUR T1 - Letter: Incidence of Yersinia enterocolitica and Y. pseudotuberculosis infections in Canada; 1975 semiannual report JF - Canadian Medical Association Journal JO - CMAJ SP - 16 LP - 16 VL - 114 IS - 1 AU - S. Toma AU - V. R. Deidrick Y1 - 1976/01/10 UR - http://www.cmaj.ca/content/114/1/16.abstract ER -