1. Serumantikörper gegen Ixodes-ricinus-Spirochäte bei Acrodermatitis chronica atrophicans (Herxheimer);Ackermann;Dtsch. Med. Wochenschr.,1984
2. Verhandlungen der Dermatologischen Gesellschaft zu Stockholm on October 28, 1909;Afzelius;Arch. Dermatol. Syph.,1910
3. The spirochetal etiology of acrodermatitis chronica atrophicans Herxheimer;Asbrink;Acta Derm. Venereol (Stockh.),1984
4. Clinical manifestations of erythema chronicum migrans Afzelius in 161 patients;Asbrink;Acta Derm. Venereol. (Stockh),1985
5. Successful cultivation of spirochetes from skin lesions of patients with erythema chronicum migrans Afzelius and acrodermatitis chronica atrophicans;Asbrink;Acta path, microbiol. immunol. scand. B,1985