A descriptive study of pregnant women with gallstones. Relation to dietary and social habits, education, physical activity, height, and weight L. BassoP. T. McCollumW. A. Tanner OriginalPaper Pages: 629 - 633
Interaction between alcohol consumption and positivity for antibodies to hepatitis C virus on the risk of liver cirrhosis: A case-control study G. CorraoF. CarleProvincial Group for the Study of Chronic Liver Disease OriginalPaper Pages: 634 - 639
Prevalence of hepatitis B markers in the population of catalonia (Spain). Rationale for universal vaccination of adolescents L. SallerasM. BrugueraJ. Rodes OriginalPaper Pages: 640 - 644
Chlamidial genital infections and laparoscopic findings in infertile women A. LucisanoG. MorandottiA. Sanna OriginalPaper Pages: 645 - 649
Long term immunogenicity safety and efficacy of a recombinant hepatitis B vaccine in healthy adults P. DenticoR. BuongiornoO. Schiraldi OriginalPaper Pages: 650 - 655
Infection by hepatitis B and C virus in non-intravenous drug using female prostitutes in Spain A. OrduñaM. A. BratosA. Rodríguez-Torres OriginalPaper Pages: 656 - 659
Job absenteeism and arterial hypertension: Results of a hypertension control program S. Ruiz de la Fuente TiradoP. Cortina GreusC. Cortes Vizcaino OriginalPaper Pages: 660 - 665
Serological response of tuberculosis patients to antigen 60 OF BCG M. J. GevaudanC. BolletPh. De Micco OriginalPaper Pages: 666 - 676
Evaluation of an immunoenzimatic test (ELISA) for the diagnosis of leptospirosis in Italy M. CincoD. BalanzinE. Banfi OriginalPaper Pages: 677 - 682
Under-registration of gestational trophoblastic disease in the Swedish Cancer Registry F. FlamL. E. Rutqvist OriginalPaper Pages: 683 - 686
Occurrence of bacteremia in hematologic patients D. D'AntonioE. PizzigalloG. Torlontano OriginalPaper Pages: 687 - 692
Cholesterol and other cardiovascular risk factors in a working population in Ile-De-France (France): First results of the PCV-METRA study D. LaurierN. P. ChauPCV-METRA Group OriginalPaper Pages: 693 - 701
HTLV-II among Italian intravenous drug users and hemophiliacs A. R. ZanettiG. ZehenderH. Lee OriginalPaper Pages: 702 - 707
The association of low socio-economic status in metropolitan adelaide with maternal demographic and obstetric characteristics and pregnancy outcome O. JonasD. RoderA. Chan OriginalPaper Pages: 708 - 714
Condom use and sexual habits of heterosexual intravenous drug users in Northern Italy D. SerrainoS. FranceschiU. Tirelli OriginalPaper Pages: 723 - 729
Proximal femoral fractures: Prevalence in different racial groups M. ParkerJ. K. AnandR. Lodwick OriginalPaper Pages: 730 - 732
Heredity of asthma in Saudi population A. BenerT. Q. Al-JawadiK. E. Al-Nassar OriginalPaper Pages: 733 - 736
Clusters of meningococcal disease in France (1987–1988) R. OlivaresB. Hubert OriginalPaper Pages: 737 - 742
The protease from Vibrio Cholerae nicks arginine at position 192 from the N-terminus of the heat-labile enterotoxin a subunit from enterotoxigenic Escherichia Coli Y. IchinoseT. TsujiT. Naito OriginalPaper Pages: 743 - 747
Legionellosis associated with artesian well excavation G. MiragliottaR. Del PreteN. Carnimeo Brief Reports Pages: 748 - 749
Wound botulism: Clinical and microbiological findings of an italian case P. AureliL. FeniciaG. Beccia Brief Reports Pages: 750 - 752
Prevalence of Plesiomonas shigelloides among diarrhoeal patients in Bangladesh R. ZeaurA. AkbarA. K. Bradford Brief Reports Pages: 753 - 756
Congenital cardiac anomalies relative to selected maternal exposures and conditions during early pregnancy G. M. ShawL. H. MalcoeJ. Schulman Letter to the Editor Pages: 757 - 760
More on pathogenesis and treatment of septic shock D. FumarolaS. Pece Letter to the Editor Pages: 761 - 762