References
- Anonymous . 1990 . AIDS surveillance in the European community by the 31th of December 1989 , Paris : WHO/EC Collaborating Center on AIDS .
- Becker , M. H. and Joseph , J. G. 1988 . AIDS and behavioral change to reduce risk: a review . American Journal of Public Health , 78 : 394 – 410 .
- Centers for Disease Control . 1988 . Number of sex partners and potential risk for sexual exposure to human immunodeficiency virus . Morbidity and Mortality Weekly Report , 37 : 565 – 568 .
- Centers for Disease Control . 1989 . Update: Heterosexual transmission of acquired immunodeficiency syndrome and human immunodeficiency virus infection—United States . Morbidity and Mortality Weekly Report , 38 : 423 – 434 .
- Coutinho , R. A. , Van Griensven , G. J.P. and Moss , A. 1989 . Effects of preventive efforts among homosexual men . AIDS , 3 ( suppl 1 ) : S53 – S56 .
- Coxon , A. P.M. and Carballo , M. 1989 . Research on AIDS: behavioural perspectives . AIDS , 3 : 191 – 197 .
- Curran , J. W. , Jaffe , H. W. , Hardy , A. M. , Morgan , W. M. , Selik , R. M. and Dondero , T. J. 1988 . Epidemiology of HIV infection and AIDS in the United States . Science , 239 : 610 – 616 .
- Dutch Health Inspection . 1990 . Report of AIDS-cases by the 31th of December 1989 , Leidsendam : The Netherlands .
- Greenblatt , R. M. 1988 . Genital ulceration as a risk factor for human immunodeficiency virus infection . AIDS , 2 : 47 – 50 .
- Haverkos , H. W. and Edelman , R. 1988 . The epidemiology of the acquired immunodeficiency syndrome among heterosexuals . Journal of the American Medical Association , 260 : 1922 – 1929 .
- Hays , W. L. 1973 . Statistics , 410 – 414 . London : Rinehart and Winston .
- Hooykaas , C. , van der Pligt , J. , Van Doornum , G. J.J. , Van der Linden , M. M.D. and Coutinho , R. A. 1989a . Onderschatting risiko op HIV-infektie bij heteroseksuelen met veel wisseiende partners . Tijdschrift voor Sociale Gezondheidszorg , 67 : 122 – 126 .
- Hooykaas , C. , Van der Pligt , J. , Van Doornum , G. J.J. , Van der Linden , M. M.D. and Coutinho , R. A. 1989b . Heterosexuals at risk for HIV: differences between private and commercial partners in sexual behaviour and condom use . AIDS , 3 : 525 – 532 .
- McCusker , J. , Stoddard , A. M. , Mayer , K. H. , Zapka , J. , Morrison , C. and Saltzman , S. P. 1988 . Effects of HIV antibody test knowledge on subsequent sexual behavior in a cohort of homosexually active men . American Journal of Public Health , 78 : 462 – 467 .
- Norusis , M. J. 1986 . SPSS/PC+for IBM PC/XT/AT , Chicago : SPSS Inc. .
- Piot , P. , Kreiss , J. K. , Ndinya-Achola , J. O. , Ngugi , E. N. , Simonsen , J. N. , Cameron , D. W. , Taelman , H. and Plummer , F. A. 1987 . Heterosexual transmission of HIV . AIDS , 1 : 199 – 206 .
- Piot , P. , Plummer , F. A. , Mhalu , F. S. , Lamboray , J-L. , Chin , J. and Mann , J. M. 1988 . AIDS: an international perspective . Science , 239 : 573 – 579 .
- Stoneburner , R. L. , Chiasson , M. A. , Weisfuse , I. B. and Thomas , P. A. 1990 . The epidemic of AIDS and HIV-1 infection among heterosexuals in New York City . AIDS , 4 : 99 – 106 .
- Turner , C. F. 1989 . Research on sexual behaviors that transmit HIV: progress and problems . AIDS , 3 ( suppl 1 ) : S63 – S69 .
- Van Griensven , G. P.J. , De Vroome , E. M.M. , Tielman , R. A.P. , Goudsmit , J. , Van der Noordaa , J. , De Wolf , F. and Coutinho , R. A. 1988 . Impact of HIV antibody testing on changes in sexual behavior among homosexual men in the Netherlands . American Journal of Public Health , 78 : 1575 – 1577 .
- Van Griensven , G. P.J. , De Vroome , E. M.M. , Tielman , R. A.P. , Goudsmit , J. , De Wolf , F. , Van der Noordaa , J. and Coutinho , R. A. 1989 . Effect of Human Immunodeficiency Virus (HIV) antibody knowledge on high-risk sexual behaviour with steady and nonsteady sexual partners among homosexual men . American Journal of Epidemiology , 129 : 596 – 603 .
- Van der Linden , M. M.D. , Van der Velde , F. W. , Hooykaas , C. , Van Doornum , G. J.J. and Coutinho , R. A. 1990 . HIV-prevalentie onder heterosexuelen met veel wisselende partners in Amsterdam . Nederlands Tijdschrift voor Geneeskunde , 134 : 1361 – 1364 .