Oski, Frank A.; Stockman, James A. (). 1986 Year Book of Pediatrics. Mosby Year Book. p. 270. ISBN978-0-8151-6570-5. Citează de fapt Hirsch, Michael; Lunenfeld, Bruno; Modan, Michaela; Ovadia, Jardena; Shemesh, Joseph (). „Spermarche—The age of onset of sperm emission”. Journal of Adolescent Health Care. Elsevier BV. 6 (1): 35–39. doi:10.1016/s0197-0070(85)80103-0. ISSN0197-0070.
Kuhn, Howard E. (). „The Onset of Sperm Production in Pubertal Boys”. American Journal of Diseases of Children. 143 (2): 190. doi:10.1001/archpedi.1989.02150140080024.
Nielsen, C. Thøger; Skakkebæk, Niels E.; Richardson, David W.; Darling, Janet A. B.; Hunter, William M.; Jørgensen, Merete; Nielsen, Aage; Ingerslev, Olaf; Keiding, Niels; Müller, Jørn (). „Onset of the Release of Spermatozoa (Spermarche) in Boys in Relation to Age, Testicular Growth, Pubic Hair, and Height”. The Journal of Clinical Endocrinology & Metabolism. 62 (3): 532–535. doi:10.1210/jcem-62-3-532. PMID3944237.
Oski, Frank A.; Stockman, James A. (). 1986 Year Book of Pediatrics. Mosby Year Book. p. 270. ISBN978-0-8151-6570-5. Citează de fapt Hirsch, Michael; Lunenfeld, Bruno; Modan, Michaela; Ovadia, Jardena; Shemesh, Joseph (). „Spermarche—The age of onset of sperm emission”. Journal of Adolescent Health Care. Elsevier BV. 6 (1): 35–39. doi:10.1016/s0197-0070(85)80103-0. ISSN0197-0070.
Stein, James H.; Whisnant Reiser, Lynn (). „A study of white middle-class adolescent boys' responses to ?semenarche? (The first ejaculation)”. Journal of Youth and Adolescence. 23 (3): 373–384. doi:10.1007/BF01536725.
nih.gov
ncbi.nlm.nih.gov
Nielsen, C. Thøger; Skakkebæk, Niels E.; Richardson, David W.; Darling, Janet A. B.; Hunter, William M.; Jørgensen, Merete; Nielsen, Aage; Ingerslev, Olaf; Keiding, Niels; Müller, Jørn (). „Onset of the Release of Spermatozoa (Spermarche) in Boys in Relation to Age, Testicular Growth, Pubic Hair, and Height”. The Journal of Clinical Endocrinology & Metabolism. 62 (3): 532–535. doi:10.1210/jcem-62-3-532. PMID3944237.
Oski, Frank A.; Stockman, James A. (). 1986 Year Book of Pediatrics. Mosby Year Book. p. 270. ISBN978-0-8151-6570-5. Citează de fapt Hirsch, Michael; Lunenfeld, Bruno; Modan, Michaela; Ovadia, Jardena; Shemesh, Joseph (). „Spermarche—The age of onset of sperm emission”. Journal of Adolescent Health Care. Elsevier BV. 6 (1): 35–39. doi:10.1016/s0197-0070(85)80103-0. ISSN0197-0070.