Incidence of gestational trophoblastic disease in Stockholm County, 1975–1988 F. FlamV. Lundstrom-LindstedtL. E. Rutqvist OriginalPaper Pages: 173 - 177
The Alsatian tick-borne encephalitis focus: Presence of the virus among ticks and small mammals C. Perez-EidC. HannounF. Rodhain OriginalPaper Pages: 178 - 186
A theoretical problem of interpreting the recently reported increase in homosexual gonorrhoea L. WhitakerA. M. Renton OriginalPaper Pages: 187 - 191
Mediterranean spotted fever in Marseille: Descriptive epidemiology and the influence of climatic factors D. RaoultH. Tissot DupontC. Charrel OriginalPaper Pages: 192 - 197
Molecular cloning and characterization of DNA from human intestinal spirochetes G. DettoriR. BurioniP. Cattani OriginalPaper Pages: 198 - 205
Histoplasmosis in northwestern Argentina. Epidemiological survey of Chuscha and La Higuera in the province of Tucumán A. Van Gelderen de KomaidE. L. DuŕanV. Carizo OriginalPaper Pages: 206 - 210
Antibody response to inactivated polio vaccine (E-IPV) in children born to HIV positive mothers M. BarbiM. BardareG. Ferraris OriginalPaper Pages: 211 - 216
Absence of antibodies to human herpesvirus-6 in patients with slowly-progressive human immunodeficiency virus type I infection H. ChenA. M. PesceM. Fiorilli OriginalPaper Pages: 217 - 221
Identification of homogeneous geographical areas of mortality for tumours from cluster analysis A. TampieriP. L. TartoniM. Manicardi OriginalPaper Pages: 222 - 227
Occupational hazard of unnoticed leptospirosis in water ways maintenance staff G. Andre-FontaineX. PeslerbeJ. P. Ganiere OriginalPaper Pages: 228 - 232
Study of the relation between diet and gastric cancer in a rural area of the province of Leon, Spain A. Sanchez-diezR. Hernandez-mejiaA. Cueto-espinar OriginalPaper Pages: 233 - 237
Epidemiological survey of Streptococcus mutans in a group of adult patients living in Pisa (Italy) G. BatoniF. OtaM. Campa OriginalPaper Pages: 238 - 242
Compliance of austrian tourists with prophylactic measures H. KollaritschG. Wiedermann OriginalPaper Pages: 243 - 251
An international case-control study on hypospadias the problem with variability and the beauty of diversity B. källénE. E. CastillaP. Mastroiacovo OriginalPaper Pages: 256 - 263
Sustained aids education campaigns and behavioural changes in Italian drug abusers F. BortolottiA. StivanelloA. Bertolini OriginalPaper Pages: 264 - 267
Clinicoepidemiological study of murine typhus on the Greek island of Evia Y. TselentisT. L. BabalisD. Raoult OriginalPaper Pages: 268 - 272
Canine leishmaniasis in the Gargano promontory (Apulia, South Italy) O. BrandonisioG. CarelliV. Puccini OriginalPaper Pages: 273 - 276
Inguinal hernia and certain risk factors J. FlichJ. L. AlfonsoP. Cortina OriginalPaper Pages: 277 - 282
Report on an outbreak of trichinellosis in Central Italy R. F. FrongilloB. BaldelliF. Di Leonardo OriginalPaper Pages: 283 - 288
Evolution of hepatitis a antibodies prevalence in young French military recruits M. JoussemetPh. BourinR. Deloince OriginalPaper Pages: 289 - 291
An outbreak of group a food-borne streptococcal pharyngitis G. GalloR. BerzeroG. Orefici OriginalPaper Pages: 292 - 297
Detection of antibodies to human immunodeficiency virus type I by using synthetic peptides and time-resolved fluoroimmunoassay (TR-FIA) R. M. LombardiO. LibonattiP. Rossi OriginalPaper Pages: 298 - 304
Hansenula anomala fungemia in an infant with gastric and cardiac complications with a review of the literature A. S. SekhonK. Kowalewska-GrochowskaW. Vaudry Brief Reports Pages: 305 - 308
Prevalence of anti-HCV in subjects of various age groups A. AlbanoA. PianettiA. Salvaggio Brief Reports Pages: 309 - 311
On superior scientists and inferior scientific communities Z. Radovanovic Letter to the Editor Pages: 312 - 313
Increased use of public and private drug services after aids in Italy. Implications for the control of HIV spread D. Serraino Letter to the Editor Pages: 314 - 316
Chronobiology of traffic accidents in Italy P. PasqualettiR. Casale Letter to the Editor Pages: 317 - 318