Bergner, Paul. Goldenseal and the Antibiotic Myth. Medical Herbalism: A Journal for the Clinical Practitioner. 1996–1997, 8 (4) [2009-08-13]. (原始内容存档于1998-12-06).
Bergner, Paul. Goldenseal Substitutes. Medical Herbalism: A Journal for the Clinical Practitioner. 1996–1997, 8 (4) [2009-08-13]. (原始内容存档于1998-12-06).
Bergner, Paul. Goldenseal and the Antibiotic Myth. Medical Herbalism: A Journal for the Clinical Practitioner. 1996–1997, 8 (4) [2009-08-13]. (原始内容存档于1998-12-06).