by Swartz, T. A., Saliou, P., Catznelson, E., Blondeau, C., Gil, I., Peled, T., Havkin, O., Fletcher, M.
Published in European journal of epidemiology (01.01.2003)

by Slater, P E, Orenstein, W A, Morag, A, Avni, A, Handsher, R, Green, M S, Costin, C, Yarrow, A, Rishpon, S, Havkin, O
Published in The Lancet (British edition) (19.05.1990)

by Gross, S, Kahan, E, Vesterman, L, Havkin, O, Leventhal, A
Published in Clinical infectious diseases (15.05.2004)

by Gross, Samuel, Kahan, Ernesto, Vesterman, Liora, Havkin, Ofra, Leventhal, Alex
Published in Clinical infectious diseases (15.05.2004)

by Shalev, Y, Aharonowitz, G, Dichtiar, R, Cohen, E, Bromberg, M, Marom, R, Peled-Leviatan, T, Shalev, V, Kaufman, Zalman, Havkin, O, Green, M, Lavi, C, Shemer, J
Published in MMWR. Morbidity and mortality weekly report (26.08.2005)

by Swartz, T A, Handsher, R, Havkin, O, Green, MS, Epstein, I
Published in The Lancet (North American edition) (01.01.1990)