C. Halpert

发表

M Krajden, T. Tam, S. Deeks, 2003, Canada communicable disease report = Releve des maladies transmissibles au Canada.

C. Chambers, M. Antony, E. Lang, 2015, Canadian Medical Association Journal.

Martin Hirst, Mel Krajden, Raymond Tellier, 2004, Emerging infectious diseases.

British Columbia, Martin Hirst, Mel Krajden, 2004 .