Ekerfelt, C., Forsberg, P., Svenvik, M., Roberg, M., Bergström, S., & Ernerudh, J. (1999). Asymptomatic Borrelia-seropositive individuals display the same incidence of Borrelia-specific interferon-gamma (IFN-γ)-secreting cells in blood as patients with clinical Borrelia infection. Blackwell Science Inc.

Ekerfelt, C., P. Forsberg, M. Svenvik, M. Roberg, S. Bergström, và J. Ernerudh. Asymptomatic Borrelia-seropositive Individuals Display the Same Incidence of Borrelia-specific Interferon-gamma (IFN-γ)-secreting Cells in Blood As Patients With Clinical Borrelia Infection. Blackwell Science Inc, 1999.

Ekerfelt, C., et al. Asymptomatic Borrelia-seropositive Individuals Display the Same Incidence of Borrelia-specific Interferon-gamma (IFN-γ)-secreting Cells in Blood As Patients With Clinical Borrelia Infection. Blackwell Science Inc, 1999.