(en) Abascal K, Yarnell E (14 december 2004). Nervine herbs for treating anxiety. Alternative and Complementary Therapies10 (6): 309–15. ISSN: 1557-9085. DOI: 10.1089/act.2004.10.309.
worldcat.org
(en) Abascal K, Yarnell E (14 december 2004). Nervine herbs for treating anxiety. Alternative and Complementary Therapies10 (6): 309–15. ISSN: 1557-9085. DOI: 10.1089/act.2004.10.309.