Reprodukta sistemo (Esperanto Wikipedia)

Querol Rovira, M: Genitales animales: Anfibios, reptiles y mamíferos All you need is Biology, 25a de junio 2017; alirita la 8an de julio 2021.
Querol Rovira, M, Genitales animales: aves y peces All you need is Biology, 14a de majo 2017, alirita la 8an de julio 2021.

besthealth.com (Global: low place; Esperanto: 3,174^th place)

Reproductive System 2001 Body Guide powered de Adam

books.google.com (Global: 3^rd place; Esperanto: 6^th place)

C. Hugh Tyndale-Biscoe. (2005) Life of Marsupials. Csiro Publishing. ISBN 978-0-643-06257-3.
Don II Hunsaker. (2012-12-02) The Biology of Marsupials. Elsevier Science. ISBN 978-0-323-14620-3.
(2013) Medical microbiology, 7‑a eldono, St. Louis, MO: Mosby. ISBN 978-0-323-08692-9.
(2012) Mims' medical microbiology, 5‑a eldono, Edinburgh: Saunders. ISBN 978-0-7234-3601-0.

buschgardens.org (Global: low place; Esperanto: low place)

Bony Fish Reproduction Arkivigite je 2007-09-27 per la retarkivo Wayback Machine (el Retarkivo 20070927223601) 2002. SeaWorld/Busch Gardens Animal Information Database.

cancer.gov (Global: 1,684^th place; Esperanto: 995^th place)

training.seer.cancer.gov

Introduction to the Reproductive System. Arkivigite je 2007-10-24 per la retarkivo Wayback Machine , Epidemiology and End Results (SEER) Program.

cdcnpin.org (Global: low place; Esperanto: 3,175^th place)

STD's Today Arkivigite je 2014-10-25 per la retarkivo Wayback Machine National Prevention Network, Center for Disease Control, United States Government, konsultita en 2007

centauroveterinarios.com (Global: low place; Esperanto: low place)

Valera, M.A. Reproducción canina Policlínica Veterinaria Centauro, 2016, alirita la 8an de julio 2021

clarin.com (Global: 365^th place; Esperanto: 471^st place)

Cómo es el proceso de gestación de los marsupiales Clarin, 13/02/1997, alirita la 8an de julio 2021.

cuidandotumascota.com (Global: low place; Esperanto: low place)

Cómo se reproducen los perros Cuidando tu mascota. Alirita la 8an de julio 2021

depeces.com (Global: low place; Esperanto: low place)

Garrido, C Anfibios De Peces; alirita la 8an de julio 2021.

doi.org (Global: 2^nd place; Esperanto: 7^th place)

(2002) “The evolution of plant sexual diversity”, Nature Reviews Genetics 3 (4), p. 274–284. doi:10.1038/nrg776. Arkivigite je 2013-05-27 per la retarkivo Wayback Machine Arkivita kopio. Arkivita el la originalo je 2013-05-27. Alirita 2015-07-17 .
(Januaro 1999) “The evolution of the scrotum and testicular descent in mammals: a phylogenetic view”, J. Theor. Biol. 196 (1), p. 61–72. doi:10.1006/jtbi.1998.0821.
(1992) “Reproductive system structure, development and function in cephalopods with a new general scale for maturity stages”, Journal of Northwest Atlantic Fishery Science 12, p. 63–74. doi:10.2960/j.v12.a7.

fcien.edu.uy (Global: low place; Esperanto: low place)

zoologia.fcien.edu.uy

Szteren, D kaj Hernández, D; Phylum: Chordata; Subphylym Vertebrata; Clase Mammalia Facultad de Ciencias (UDELAR), 2009, alirita la 8an de julio 2021.

lookd.com (Global: low place; Esperanto: low place)

Fish Reproduction

metode.es (Global: low place; Esperanto: low place)

Padrazos Metode, 02/12/2019; alirita la 8an de julio 2021.

nationalgeographic.com.es (Global: 5,085^th place; Esperanto: 5,509^th place)

Peinado Lorca, M kaj Monje, L El extraño pene cuádruple de los equidnas National Geographic, 11a de decembro 2020, alirita la 8an de julio 2021.

nationalgeographic.es (Global: low place; Esperanto: low place)

Main, D. Este marsupial es el único animal que siempre está embarazado National Geographic 3a de marto 2020, alirita la 8an de julio 2021.

oup.com (Global: 485^th place; Esperanto: 437^th place)

academic.oup.com

Schultz, Nicholas G., et al. "The baculum was gained and lost multiple times during mammalian evolution." Integrative and comparative biology 56.4 (2016): 644-656.

rcn.com (Global: low place; Esperanto: 2,976^th place)

users.rcn.com

Sexual Reproduction in Humans. Arkivigite je 2018-02-17 per la retarkivo Wayback Machine 2006. John W. Kimball. Kimball's Biology Pages, and online textbook.

tiendanimal.es (Global: low place; Esperanto: low place)

¿Cómo es la reproducción de los reptiles? Tienda Animal; alirita la 8an de julio 2021.

utoronto.ca (Global: 1,601^st place; Esperanto: 519^th place)

labs.eeb.utoronto.ca

(2002) “The evolution of plant sexual diversity”, Nature Reviews Genetics 3 (4), p. 274–284. doi:10.1038/nrg776. Arkivigite je 2013-05-27 per la retarkivo Wayback Machine Arkivita kopio. Arkivita el la originalo je 2013-05-27. Alirita 2015-07-17 .

vortaro.net (Global: low place; Esperanto: 5^th place)

PIV NPIV Alirita la 31an de Aŭgusto 2023.

web.archive.org (Global: 1^st place; Esperanto: 1^st place)

Introduction to the Reproductive System. Arkivigite je 2007-10-24 per la retarkivo Wayback Machine , Epidemiology and End Results (SEER) Program.
(2002) “The evolution of plant sexual diversity”, Nature Reviews Genetics 3 (4), p. 274–284. doi:10.1038/nrg776. Arkivigite je 2013-05-27 per la retarkivo Wayback Machine Arkivita kopio. Arkivita el la originalo je 2013-05-27. Alirita 2015-07-17 .
STD's Today Arkivigite je 2014-10-25 per la retarkivo Wayback Machine National Prevention Network, Center for Disease Control, United States Government, konsultita en 2007
Science, Biology, and Terminology of Fish reproduction: Reproductive modes and strategies-part 1 (el Retarkivo 20071108130733). 2002. MARTIN MOE. THE BREEDER'S NET Online Magazine
Bony Fish Reproduction Arkivigite je 2007-09-27 per la retarkivo Wayback Machine (el Retarkivo 20070927223601) 2002. SeaWorld/Busch Gardens Animal Information Database.
Sexual Reproduction in Humans. Arkivigite je 2018-02-17 per la retarkivo Wayback Machine 2006. John W. Kimball. Kimball's Biology Pages, and online textbook.
Sexually transmitted infections (STIs) Fact sheet N° 110 (Novembro 2013). Arkivita el la originalo je 25a de Novembro 2014. Alirita 30a de Novembro 2014.
Cephalopods. Arkivigite je 2007-10-20 per la retarkivo Wayback Machine (el Retarkivo 20071020065950) The Living World of Molluscs. Robert Nordsieck.

weichtiere.at (Global: low place; Esperanto: low place)

Cephalopods. Arkivigite je 2007-10-20 per la retarkivo Wayback Machine (el Retarkivo 20071020065950) The Living World of Molluscs. Robert Nordsieck.

womenshealth.gov (Global: 7,131^st place; Esperanto: low place)

Sexually transmitted infections (angle) (2017-02-22). Alirita 2017-12-08 .

Reprodukta sistemo (Esperanto Wikipedia)

advancedaquarist.com (Global: low place; Esperanto: low place)

agenciasinc.es (Global: low place; Esperanto: low place)

allyouneedisbiology.wordpress.com (Global: low place; Esperanto: low place)

besthealth.com (Global: low place; Esperanto: 3,174th place)

books.google.com (Global: 3rd place; Esperanto: 6th place)

buschgardens.org (Global: low place; Esperanto: low place)

cancer.gov (Global: 1,684th place; Esperanto: 995th place)

training.seer.cancer.gov

cdcnpin.org (Global: low place; Esperanto: 3,175th place)

centauroveterinarios.com (Global: low place; Esperanto: low place)

clarin.com (Global: 365th place; Esperanto: 471st place)

cuidandotumascota.com (Global: low place; Esperanto: low place)

depeces.com (Global: low place; Esperanto: low place)

doi.org (Global: 2nd place; Esperanto: 7th place)

fcien.edu.uy (Global: low place; Esperanto: low place)

zoologia.fcien.edu.uy

lookd.com (Global: low place; Esperanto: low place)

metode.es (Global: low place; Esperanto: low place)

nationalgeographic.com.es (Global: 5,085th place; Esperanto: 5,509th place)

nationalgeographic.es (Global: low place; Esperanto: low place)

oup.com (Global: 485th place; Esperanto: 437th place)

academic.oup.com

rcn.com (Global: low place; Esperanto: 2,976th place)

users.rcn.com

tiendanimal.es (Global: low place; Esperanto: low place)

utoronto.ca (Global: 1,601st place; Esperanto: 519th place)

labs.eeb.utoronto.ca

vortaro.net (Global: low place; Esperanto: 5th place)

web.archive.org (Global: 1st place; Esperanto: 1st place)

weichtiere.at (Global: low place; Esperanto: low place)

womenshealth.gov (Global: 7,131st place; Esperanto: low place)

besthealth.com (Global: low place; Esperanto: 3,174^th place)

books.google.com (Global: 3^rd place; Esperanto: 6^th place)

cancer.gov (Global: 1,684^th place; Esperanto: 995^th place)

cdcnpin.org (Global: low place; Esperanto: 3,175^th place)

clarin.com (Global: 365^th place; Esperanto: 471^st place)

doi.org (Global: 2^nd place; Esperanto: 7^th place)

nationalgeographic.com.es (Global: 5,085^th place; Esperanto: 5,509^th place)

oup.com (Global: 485^th place; Esperanto: 437^th place)

rcn.com (Global: low place; Esperanto: 2,976^th place)

utoronto.ca (Global: 1,601^st place; Esperanto: 519^th place)

vortaro.net (Global: low place; Esperanto: 5^th place)

web.archive.org (Global: 1^st place; Esperanto: 1^st place)

womenshealth.gov (Global: 7,131^st place; Esperanto: low place)