1. Five years of sentinel surveillance of acute respiratory infections (1985–1990): The benefits of an influenza early warning system

   • R. Snacken
   • J. Lion
   • A. Stroobant

   OriginalPaper Pages: 485 - 490

2. 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. Iorio
   • T. Zei
   • I. Donatelli

   OriginalPaper Pages: 491 - 497

3. The role of breast self-examination in early breast cancer detection (results of the 5-years USSR/WHO randomized study in Leningrad)

   • V. F. Semiglazov
   • V. M. Moiseyenko
   • B. T. Musayev

   OriginalPaper Pages: 498 - 502

4. Maternal diabetes: The risk for specific birth defects

   • M. A. Ramos-Arroyo
   • E. Rodriguez-Pinilla
   • J. F. Cordero

   OriginalPaper Pages: 503 - 508

5. Risk factors for atrial septal defect

   • J. Tikkanen
   • O. P. Heinonen

   OriginalPaper Pages: 509 - 515

6. Incidence of congenital toxoplasmosis in live Guatemalan newborns

   • J. Sinibaldi
   • I. De Ramirez

   OriginalPaper Pages: 516 - 520

7. The prediction of coronary heart disease in different population samples

   • A. Menotti
   • A. Spagnolo
   • M. Scanga

   OriginalPaper Pages: 521 - 526

8. Characteristics of alcoholics attending “Alcoholics in treatment” clubs in Northeastern Italy

   • S. Barra
   • S. Franceschi
   • E. Bidoli

   OriginalPaper Pages: 527 - 531

9. Possible confounders of the relationship between occupational swine contact and Yersinia enterocolitica 0:3 and 0:9 antibodies

   • M. Seuri
   • K. Granfors

   OriginalPaper Pages: 532 - 538

10. Typhoid fever in the neapolitan area: A case-control study

    • T. Stroffolini
    • G. Manzillo
    • G. Giusti

    OriginalPaper Pages: 539 - 542

11. Heterogeneity among heat-labile enterotoxins produced by porcine enterotoxigenic Escherichia coli

    • T. Tsuji
    • S. Yao
    • A. Miyama

    OriginalPaper Pages: 543 - 547

12. Enterotoxigenic and necrotizing Escherichia coli in human diarrhoea in Spain

    • J. Blanco
    • E. A. González
    • M. P. Alonso

    OriginalPaper Pages: 548 - 552

13. Epidemiology and clinical significance of Blastocystis hominis in different population groups in Salamanca (Spain)

    • A. M. Martín-Sánchez
    • A. Canut-Blasco
    • J. A. García-Rodríguez

    OriginalPaper Pages: 553 - 559

14. Molecular epidemiology of nasopharyngeal corynebacteria in healthy adults from an area where diphtheria vaccination has been extensively practiced

    • M. Mencarelli
    • A. Zanchi
    • G. M. Rossolini

    OriginalPaper Pages: 560 - 567

15. Monoclonal antibody based capture ELISA/ELIFA for detection of Coxiella burnetii in clinical specimens

    • D. Thiele
    • M. Karo
    • H. Krauss

    OriginalPaper Pages: 568 - 574

16. Evidence of the presence of spotted fever group rickettsiae in dogs and dog ticks of the central provinces in Spain

    • C. Herrero
    • C. Pelaz
    • C. Martin-Bourgon

    OriginalPaper Pages: 575 - 579

17. Development of antibody to hepatitis C virus (HCV) in acute and chronic non-A, non-B post-transfusion hepatitis

    • G. Pastore
    • L. Monno
    • E. Sforza

    OriginalPaper Pages: 580 - 584

18. An AIDS model with distributed incubation and variable infectiousness: Applications to IV drug users in Latium, Italy

    • M. Iannelli
    • R. Loro
    • G. Rabbiolo

    OriginalPaper Pages: 585 - 593

19. Iron miners — A ten year follow-up

    • Q. T. Pham
    • D. Teculescu
    • E. Rebstock

    OriginalPaper Pages: 594 - 600

20. Progetto ATENA, A study on the etiology of major chronic diseases in women: Design, rationale and objectives

    • S. Panico
    • R. Dello Iacovo
    • M. Mancini

    OriginalPaper Pages: 601 - 608

21. A study of the incidence of urogenital Chlamydia trachomatis in patients attending specialized departments of Rome, Milan and Turin, Italy

    • M. Del Piano
    • E. M. Magliano
    • A. Serio

    OriginalPaper Pages: 609 - 618

22. Epidemiologic surveys of dog and cat bites in the Lyon area, France

    • B. B. Chomel
    • J. Trotignon

    OriginalPaper Pages: 619 - 624

23. The third epidemiological revolution

    • I. J. Selikoff
    • P. J. Landrigan

    Letter to the Editor Pages: 625 - 626

24. Urease production in Vibrio parahaemolyticus: A potential marker for virulence

    • F. O. Eko

    Letter to the Editor Pages: 627 - 628