Preliminary results of STI sentinel surveillance system in BelgiumDEFRAYE, A; SASSE, A.Archives of public health. 2004, Vol 62, Num 6, pp 259-270, issn 0778-7367, 12 p.Article

HIV INFECTIONS AND STI CO-INFECTIONS IN MEN WHO HAVE SEX WITH MEN IN BELGIUM: SUSTAINED INCREASE IN HIV DIAGNOSESSASSE, A; DEFRAYE, A.Euro surveillance. 2009, pp 72-75, issn 1025-496X, 4 p., NSArticle

Sti surveillance by a sentinel network of physicians in BelgiumDEFRAYE, A; SASSE, A.Acta Clinica Belgica. 2005, Vol 60, Num 2, pp 70-74, issn 0001-5512, 5 p.Article

Recent syphilis trends in Belgium and enhancement of sti surveillance systems : Topic: SyphilisSASSE, A; DEFRAYE, A; DUCOFFRE, G et al.Euro surveillance. 2004, Vol 9, Num 4, pp 6-8, issn 1025-496X, 3 p.Article

Incidence des infections à Neisseria gonorrhoeae en Belgique: tendances 2000-2006 = Incidence of Neisseria gonorrhoeae infections in Belgium: trends 2000-2006DEFRAYE, A; CRUCITTI, T; DUCOFFRE, G et al.Revue médicale de Bruxelles. 2009, Vol 30, Num 2, pp 93-98, issn 0035-3639, 6 p.Article