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nih.gov
ncbi.nlm.nih.gov
Chudnovsky, A.; Niederberger, C.S. "Copious Pre-Ejaculation: Small Glands—Major Headaches". Journal of Andrology. 28 (3). 2007: 374–5. doi:10.2164/jandrol.107.002576. PMID17251594.
Chughtai B, Sawas A, O'Malley RL, Naik RR, Ali Khan S, Pentyala S. "A neglected gland: a review of Cowper's gland". Int. J. Androl. 28 (2). April 2005: 74–7. doi:10.1111/j.1365-2605.2005.00499.x. PMID15811067.
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Pudney, J., Oneta, M., Mayer, K., Seage, G., Anderson, D. "Pre-ejaculatory fluid as potential vector for sexual transmission of HIV-1". Lancet. 340 (8833). 1992: 1470. doi:10.1016/0140-6736(92)92659-4. PMID1360584.
Ilaria, G., Jacobs, J.L., Polsky, B. və b. "Detection of HIV-1 DNA sequences in pre-ejaculatory fluid". Lancet. 340 (8833). 1992: 1469. doi:10.1016/0140-6736(92)92658-3. PMID1360583.
worldcat.org
Kovavisarach, E.; Lorthanawanich, S.; Muangsamran, P. "Presence of Sperm in Pre-Ejaculatory Fluid of Healthy Males". J Med Assoc Thai. 99 Suppl 2. 2016: S38–41. ISSN0125-2208. PMID27266214.