References
^ PDR Staff Foreword by David Heber, M.D., Ph.D. (2014). Pdr for Herbal Medicines, PDR Network. BiggerBooks. ISBN 9781563636783 (revised Nov 2023)^ Thomson HealthcarePDR for Herbal Medicines, 4th Edition, Thomson Reuters. Amazon. ISBN 9781563636783 (revised Jan 2015)
|