Stafford GI, Pedersen ME, van Staden J, Jäger AK (2008). "Review on plants with CNS-effects used in traditional South African medicine against mental diseases". Journal of Ethnopharmacology. 119 (3): 513–37. doi:10.1016/j.jep.2008.08.010. PMID18775771.
J. F. Sobiecki (2002). "A preliminary inventory of plants used for psychoactive purposes in southern African healing traditions". Transactions of the Royal Society of South Africa. 57 (1–2): 1–24. Bibcode:2002TRSSA..57....1S. doi:10.1080/00359190209520523. S2CID40983799.
Sandager M, Nielsen ND, Stafford GI, van Staden J, Jäger AK (2005). "Alkaloids from Boophane disticha with affinity to the serotonin transporter in rat brain". Journal of Ethnopharmacology. 98 (3): 367–70. doi:10.1016/j.jep.2005.01.037. PMID15814274.
J. F. Sobiecki (2002). "A preliminary inventory of plants used for psychoactive purposes in southern African healing traditions". Transactions of the Royal Society of South Africa. 57 (1–2): 1–24. Bibcode:2002TRSSA..57....1S. doi:10.1080/00359190209520523. S2CID40983799.
Stafford GI, Pedersen ME, van Staden J, Jäger AK (2008). "Review on plants with CNS-effects used in traditional South African medicine against mental diseases". Journal of Ethnopharmacology. 119 (3): 513–37. doi:10.1016/j.jep.2008.08.010. PMID18775771.
Sandager M, Nielsen ND, Stafford GI, van Staden J, Jäger AK (2005). "Alkaloids from Boophane disticha with affinity to the serotonin transporter in rat brain". Journal of Ethnopharmacology. 98 (3): 367–70. doi:10.1016/j.jep.2005.01.037. PMID15814274.
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J. F. Sobiecki (2002). "A preliminary inventory of plants used for psychoactive purposes in southern African healing traditions". Transactions of the Royal Society of South Africa. 57 (1–2): 1–24. Bibcode:2002TRSSA..57....1S. doi:10.1080/00359190209520523. S2CID40983799.