参考资料：
[1] Campbell J, Gillis J. A review of penile elongation surgery[J]. Translational Andrology and Urology, 2017, 6(1): 69.
[2] Chen X B, Li R X, Yang H N, et al. A comprehensive, prospective study of penile dimensions in Chinese men of multiple ethnicities[J]. International Journal of Impotence Research, 2014, 26(5): 172-176.
[3] Francken A B, Van de Wiel H B M, Van Driel M F, et al. What importance do women attribute to the size of the penis?[J]. European urology, 2002, 42(5): 426-431.
[4] Chen J, Wollman Y, Chernichovsky T, et al. Effect of oral administration of high-dose nitric oxide donor L-arginine in men with organic erectile dysfunction: results of a double-blind, randomized, placebo-controlled study[J]. BJU int, 1999, 83(3): 269-73.
[5] Meldrum D R, Gambone J C, Morris M A, et al. A multifaceted approach to maximize erectile function and vascular health[J]. Fertility and sterility, 2010, 94(7): 2514-2520.
[6] Gao J, Zhang X, Su P, et al. Prevalence and Factors Associated with the Complaint of Premature Ejaculation and the Four Premature Ejaculation Syndromes: A Large Observational Study in C hina[J]. The journal of sexual medicine, 2013, 10(7): 1874-1881.
[7] Atikeler M K, Gecit I, Senol F A. Optimum usage of prilocaine‐lidocaine cream in premature ejaculation[J]. Andrologia, 2002, 34(6): 356-359.
[8] Mondaini N, Ponchietti R, Muir G H, et al. Sildenafil does not improve sexual function in men without erectile dysfunction but does reduce the postorgasmic refractory time[J]. International journal of impotence research, 2003, 15(3): 225-228.
[9] Ma G C, Zou Z J, Lai Y F, et al. Regular penis-root masturbation, a novel behavioral therapy in the treatment of primary premature ejaculation[J]. Asian Journal of Andrology, 2019, 21(6): 631.
[10] Alp B F, Uguz S, Malkoc E, et al. Does circumcision have a relationship with ejaculation time? Premature ejaculation evaluated using new diagnostic tools[J]. International Journal of Impotence Research, 2014, 26(4): 121-123.
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