| Albert, C., & Callard, I. P. (1988). Sex hormone binding globulin levels and free progesterone, testosterone and estradiol-17ß during the annual cyle of the female turtle, chrysemys picta. Steroids, 42, 355–356. |
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| Added by: Admin 24 Aug 2008 17:39:41 UTC |
Pop. 4.5%
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| Callard, I. P., Lance, V. A., Salhanick, A. R., & Barad, D. (1978). The annual ovarian cycle of chrysemys picta: correlated changes in plasma steroids and parameters of vitellogenesis. General and Comparative Endocrinology, 35, 245–257. |
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| Added by: Admin 25 Aug 2008 20:36:51 UTC |
Pop. 2.5%
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| Callard, I. P., Callard, G. V., Lance, V. A., & Eccles, S. (1976). Seasonal changes in testicular structure and function and the effects of gonadotropins in the freshwater turtle, chrysemys picta. General and Comparative Endocrinology, 30, 347–356. |
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| Added by: Admin 25 Aug 2008 21:58:00 UTC |
Pop. 2.25%
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| Kitana, N., Khonsue, W., Won, S. J., Lance, V. A., & Callard, I. P. (2006). Gonadotropin and estrogen responses in freshwater turtle (chrysemys picta) from cape cod, massachusetts. General and Comparative Endocrinology. |
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| Added by: Admin 14 Aug 2008 20:31:53 UTC |
Pop. 3.25%
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| Kitana, N., Won, S. J., & Callard, I. P. (2006). Reproductive deficits in male freshwater turtle chrysemys picta from cape cod, massachusetts. Biology of Reproduction, 76(3), 346–352. |
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| Added by: Admin 14 Aug 2008 20:32:47 UTC |
Pop. 2%
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| Kitana, N., & Callard, I. P. (2008). Effect of cadmium on gonadal development in freshwater turtle (trachemys scripta, chrysemys picta) embryos. Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances and Environmental Engineering, 43(3), 262–271. |
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| Added by: Admin 15 Mar 2009 13:31:35 UTC |
Pop. 2%
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| Lora, N. C., Novillo, A., & Callard, I. P. (2004). Regulation of hepatic progesterone and estrogen receptors in the female turtle, chrysemys picta: relationship to vitellogenesis. General and Comparative Endocrinology, 136(2), 232–240. |
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| Added by: Admin 15 Mar 2009 13:31:36 UTC |
Pop. 1.5%
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| Lora, N. C., Novillo, A., & Callard, I. P. (2004). Effect of gonadal steroids on progesterone receptor, estrogen receptor, and vitellogenin expression in male turtles (chrysemys picta). Journal of Experimental Zoology Part A, Ecological genetics and physiology, 301(1), 15–25. |
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| Added by: Admin 15 Mar 2009 13:31:37 UTC |
Pop. 1.5%
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| Lora, N. C., Novillo, A., & Callard, I. P. (2005). Synergistic role for pituitary growth hormone in the regulation of hepatic estrogen and progesterone receptors and vitellogenesis in female freshwater turtles, chrysemys picta. General and Comparative Endocrinology, 140(1), 25–32. |
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| Added by: Admin 15 Mar 2009 13:31:37 UTC |
Pop. 1.75%
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| Rie, M. T., Kitana, N., Lendas, K. A., Won, S. J., & Callard, I. P. (2005). Reproductive endocrine disruption in a sentinel species (chrysemys picta) on cape cod, massachusetts. Archives of Environmental Contamination and Toxicology, 48(2), 217–224. |
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| Added by: Admin 15 Mar 2009 13:31:39 UTC |
Pop. 2%
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