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Brindley GS. Cavernosal alpha-blockade: a new technique for investigating and treating erectile impotence. Br J Psychiatry. October 1983, 143 (4): 332–37. PMID 6626852. doi:10.1192/bjp.143.4.332.
Park, Nam Cheol; Kim, Sae Woong; Moon, Du Geon. Penile traction therapy (penile lengthening device). Sik Min, Kweon (编). Penile Augmentation. Springer. 2016-03-21 [2018-03-08]. ISBN 978-3-662-46753-4. (原始内容存档于2022-05-22) (英语).