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Ewan A Langan; Z. Nie; Lesley E Rhodes. Melanotropic peptides: More than just "Barbie drugs" and "sun tan jabs?". British Journal of Dermatology. June 2010, 163 (3): 451–5. PMID 20545686. doi:10.1111/j.1365-2133.2010.09891.x.
Ewan A Langan; Denise Ramlogan; Lynne A Jamieson; Lesley E Rhodes. Change in moles linked to use of unlicensed "sun tan jab". BMJ. January 2009, 338: b277. PMID 19174439. doi:10.1136/bmj.b277.
Mayorov, Hunter Wessells, Todd W. Vanderah, Victor J. Hruby, Preeti Balse-Srinivasan, Stephen H. King and Alexander V. Melanocortin Receptors, Melanotropic Peptides and Penile Erection. Current Topics in Medicinal Chemistry. 2007-05-31, 7 (11) [2018-01-24]. (原始内容存档于2019-01-24) (英语).
Hadley, ME. Discovery that a melanocortin regulates sexual functions in male and female humans.. Peptides. October 2005, 26 (10): 1687–9. PMID 15996790. doi:10.1016/j.peptides.2005.01.023.
Ewan A Langan; Z. Nie; Lesley E Rhodes. Melanotropic peptides: More than just "Barbie drugs" and "sun tan jabs?". British Journal of Dermatology. June 2010, 163 (3): 451–5. PMID 20545686. doi:10.1111/j.1365-2133.2010.09891.x.
Ewan A Langan; Denise Ramlogan; Lynne A Jamieson; Lesley E Rhodes. Change in moles linked to use of unlicensed "sun tan jab". BMJ. January 2009, 338: b277. PMID 19174439. doi:10.1136/bmj.b277.
Mayorov, Hunter Wessells, Todd W. Vanderah, Victor J. Hruby, Preeti Balse-Srinivasan, Stephen H. King and Alexander V. Melanocortin Receptors, Melanotropic Peptides and Penile Erection. Current Topics in Medicinal Chemistry. 2007-05-31, 7 (11) [2018-01-24]. (原始内容存档于2019-01-24) (英语).