家計會一定岩架啦? 唔通家計會會同人講外射好安全? 佢地靠嚇咋! 搵資料都搵D中立既權威機構啦!
睇下呢d啦!
CONTRACEPTIVE TECHNOLOGY UPDATE, 1993 Oct;14(10):154-6.
Journal of Assisted Reproduction Genetics, 2003 Apr;20(4):157-9.
Ilaria G, Jacobs JL, Polsky B, Koll B, Baron P, MacLow C, Armstrong D, Schlegel PN. Detection of HIV-1 DNA sequences in pre-ejaculatory fluid. Lancet 1992;340:1469.
Pudney J, Oneta M, Mayer K, Seage G, Anderson D. Pre-ejaculatory fluid as potential vector for sexual transmission of HIV-1. Lancet 1992;340:1470.
家計會無學術地位架! 問家計會? 你唔好問你阿婆? 求證點可以咁事事旦旦架? :smile_39:
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本帖最後由 shortened 於 2009-7-3 02:55 PM 編輯 ]