R. Ruggles

发表

M. Morrey, N. Lightfoot, R. Cox, 2010, Public health.

J. Sandars, Jeremy M Brown, P. Dey, 2019, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

R. Elson, G. Adak, K. Grant, 2014, Epidemiology and Infection.

J. Birns, A. Deaner, C. Bryant, 2020, Future Healthcare Journal.