Five years of sentinel surveillance of acute respiratory infections (1985–1990): The benefits of an influenza early warning system R. SnackenJ. LionA. Stroobant OriginalPaper Pages: 485 - 490
Immunization of elderly volunteers with the 1988–89 inactivated whole influenza vaccine: Assessment of antibody responses by haemagglutination inhibition and single radial haemolysis tests A. M. IorioT. ZeiI. Donatelli OriginalPaper Pages: 491 - 497
The role of breast self-examination in early breast cancer detection (results of the 5-years USSR/WHO randomized study in Leningrad) V. F. SemiglazovV. M. MoiseyenkoB. T. Musayev OriginalPaper Pages: 498 - 502
Maternal diabetes: The risk for specific birth defects M. A. Ramos-ArroyoE. Rodriguez-PinillaJ. F. Cordero OriginalPaper Pages: 503 - 508
Incidence of congenital toxoplasmosis in live Guatemalan newborns J. SinibaldiI. De Ramirez OriginalPaper Pages: 516 - 520
The prediction of coronary heart disease in different population samples A. MenottiA. SpagnoloM. Scanga OriginalPaper Pages: 521 - 526
Characteristics of alcoholics attending “Alcoholics in treatment” clubs in Northeastern Italy S. BarraS. FranceschiE. Bidoli OriginalPaper Pages: 527 - 531
Possible confounders of the relationship between occupational swine contact and Yersinia enterocolitica 0:3 and 0:9 antibodies M. SeuriK. Granfors OriginalPaper Pages: 532 - 538
Typhoid fever in the neapolitan area: A case-control study T. StroffoliniG. ManzilloG. Giusti OriginalPaper Pages: 539 - 542
Heterogeneity among heat-labile enterotoxins produced by porcine enterotoxigenic Escherichia coli T. TsujiS. YaoA. Miyama OriginalPaper Pages: 543 - 547
Enterotoxigenic and necrotizing Escherichia coli in human diarrhoea in Spain J. BlancoE. A. GonzálezM. P. Alonso OriginalPaper Pages: 548 - 552
Epidemiology and clinical significance of Blastocystis hominis in different population groups in Salamanca (Spain) A. M. Martín-SánchezA. Canut-BlascoJ. A. García-Rodríguez OriginalPaper Pages: 553 - 559
Molecular epidemiology of nasopharyngeal corynebacteria in healthy adults from an area where diphtheria vaccination has been extensively practiced M. MencarelliA. ZanchiG. M. Rossolini OriginalPaper Pages: 560 - 567
Monoclonal antibody based capture ELISA/ELIFA for detection of Coxiella burnetii in clinical specimens D. ThieleM. KaroH. Krauss OriginalPaper Pages: 568 - 574
Evidence of the presence of spotted fever group rickettsiae in dogs and dog ticks of the central provinces in Spain C. HerreroC. PelazC. Martin-Bourgon OriginalPaper Pages: 575 - 579
Development of antibody to hepatitis C virus (HCV) in acute and chronic non-A, non-B post-transfusion hepatitis G. PastoreL. MonnoE. Sforza OriginalPaper Pages: 580 - 584
An AIDS model with distributed incubation and variable infectiousness: Applications to IV drug users in Latium, Italy M. IannelliR. LoroG. Rabbiolo OriginalPaper Pages: 585 - 593
Progetto ATENA, A study on the etiology of major chronic diseases in women: Design, rationale and objectives S. PanicoR. Dello IacovoM. Mancini OriginalPaper Pages: 601 - 608
A study of the incidence of urogenital Chlamydia trachomatis in patients attending specialized departments of Rome, Milan and Turin, Italy M. Del PianoE. M. MaglianoA. Serio OriginalPaper Pages: 609 - 618
Epidemiologic surveys of dog and cat bites in the Lyon area, France B. B. ChomelJ. Trotignon OriginalPaper Pages: 619 - 624
The third epidemiological revolution I. J. SelikoffP. J. Landrigan Letter to the Editor Pages: 625 - 626
Urease production in Vibrio parahaemolyticus: A potential marker for virulence F. O. Eko Letter to the Editor Pages: 627 - 628