小鳥醫生
2020-11-02 08:17:34
根據兩個大型調查,見唔到有割包皮同埋冇割包皮嘅人,時間上有顯著嘅分別。
(要睇原文先至睇到)
Waldinger, M. D., McIntosh, J., & Schweitzer, D. H. (2009). A Five-nation Survey to Assess the Distribution of the Intravaginal Ejaculatory Latency Time among the General Male Population. The Journal of Sexual Medicine, 6(10), 2888–2895.
Waldinger, M. D., Quinn, P., Dilleen, M., Mundayat, R., Schweitzer, D. H., & Boolell, M. (2005). ORIGINAL RESEARCH—EJACULATION DISORDERS: A Multinational Population Survey of Intravaginal Ejaculation Latency Time. The Journal of Sexual Medicine, 2(4), 492–497.