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Sexual dimorphism in external morphology of the American bullfrog Rana (Aquarana) catesbeiana and the possibility of sex determination based on tympanic membrane/eye size ratio
The American bullfrog Rana (Aquarana) catesbeiana has been reported to show significant sexual dimorphism based on the size ratio between the tympanic membrane and the eye. In males the tympanic membrane is much larger than the eye, but not in females. The ratio has been used as a convenient criteri...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
The Japanese Society of Veterinary Science
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7468074/ https://www.ncbi.nlm.nih.gov/pubmed/32641603 http://dx.doi.org/10.1292/jvms.20-0039 |