1. Serological classification of Neisseria gonorrhoeae by co-agglutination. A study of serological patterns in two geographical areas of Sweden;Bygdeman;Acta Dermatovener.,1981
2. Serogrouping and auxotyping for epidemiological study of β-lactamase producing Neisseria gonorrhoeae strains isolated in Sweden;Bygdeman;Acta Dermatovener. (Stockholm),1981
3. Gonorrhoeae in men with homosexual contacts. Serogroups of isolated gonococcal strains related to antibiotic susceptibility, site of infection and symptoms;Bygdeman;Br. J. Vener. Dis.,1981
4. Antibiotic susceptibility of Neisseria gonorrhoeae in relation to serogroups;Bygdeman;Acta path. microbiol. scand. Sect. B,1981
5. Genetic linkage between serogroup specificity and antibiotic resistance in Neisseria gonorrhoeae;Bygdeman;Acta path. microbiol. immunol. scand. Sect. B,1982