Massad E, Behrens RH, Burratini M, Coutinho, F.  Modeling the risk of malaria for travelers to areas with stable malaria transmission. (2009)  Malaria Journal 8:296


Barnett ED,  MacPherson DW,  Stauffer, WM, Hatz CF, Matteelli A  Loutan L, Behrens RH The VFR (Visiting Friends or Relatives) Traveler in the 21st Century:  Time for a New Definition? (2010) Journal of Travel 17:163-170


Behrens RH, , Loutan L , Stauffer WM , Barnett ED , Hatz CF, Matteelli A, MacPherson DW. Travel case-scenarios as a demonstration of risk assessment of Visiting Friends or Relatives (VFR) travellers – introduction to criteria and evidence-based definition and framework. (2010) Journal of Travel Medicine 17:153-162


Neave P.E,  Jones C. O.  Behrens R.H.  review of risk factors for imported malaria in visiting friends and relatives (VFR) travellers.  (2010) Journal of Travel Medicine 17:346-350


Horowitz, A., Behrens, R.H., Okell, L., Fooks, A.R. & Riley, E.M. NK cells as effectors of acquired immune responses: effector CD4+ T cell‐dependent activation of NK cells following vaccination.(2010)  Journal of Immunology 185: 2808–2818.


Behrens R H. Carroll, B.  Hellgren, U. Visser, L. G. Siikamäki, H.   Vestergaard, L. Calleri, G.  Jänisch, T.  Myrvang, B. Gascon, J  Hatz, C. The incidence of malaria in travellers to South- East Asia; is local malaria transmission a useful risk indicator? (2010) Malaria Journal  9:266 doi:10.1186/1475-2875-9-266


Massad E, Behrens BC,  M, Coutinho, F , Behrens RH.  Cost risk benefit analysis to support chemoprophylaxis policy for travellers to malaria endemic countries  Malaria Journal 2011 2011; 10(1):137


Calleri, G, Behrens, R.H,  Schmid, M.L, Gobbi, F., Grobusch, M.P, Castelli, F, Gascon, J., Bisoffi, Z., Jelinek, T, Caramello, P. Malaria chemoprophylaxis recommendations for immigrants to Europe, visiting relatives and friends - a Delphi method study. Malaria Journal , 2011; 10(1):137


Farquharson, L., Noble L., Behrens R. H. Travel clinic communication and non-adherence to malaria chemoprophylaxis, Trav. Med Inf. Dis. (2011), doi:10.1016/j.tmaid.2011.09.004. Balasegaram,S, Potter, A.L., Grynszpan D., Barlow, S., Behrens, R.H., Lighton L., Booth, L. Inamdar L., Neal, K., Nye, K., Lawrence, J.  Jones, J.  Gray, I. Tolley, D. Lane, C.  Adak, B.  Cummins, A.  Addiman S.


Guidelines for the public health management of typhoid and paratyphoid in England: Practice guidelines from the National Typhoid and Paratyphoid Reference Group The Journal of infection 25 May 2012 DOI: 10.1016/j.jinf.2012.05.005.


Behrens RH and Steffen R.  (2008)Travel Medicine  in Manson’s Tropical Diseases ed. Cook GC and Zumla A.  W B Saunders  ISBN 070202 6409   22st edition


Behrens RH  and Carroll B Travel Trends and patterns of travel associated morbidity in Eds Zumla A, Behrens RH and Memish Z.  Travel Medicine.  Infectious Diseases Clinics of North America (in press)


Noble, LM , Wilcox,A, Behrens RH, Travel clinic consultation and risk assessment  in Eds Zumla A, Behrens RH and Memish Z.  Travel Medicine.  Infectious Diseases Clinics of North America (in press)


Nadjm, B and Behrens RH Malaria, an update for physicians in Eds Zumla A and Keiser J Tropical Medicine .  Infectious Diseases Clinics of North America (in press)


Leder K and Behrens RH. Visiting friends and relatives (2012). In: Keystone JS, Kozarsky P, Freedman DO, Nothdurft HD, Connor B, editors.  Travel Medicine Third edition