
Estrogenic exposure affects metamorphosis and alters sex ratios in the northern leopard frog (Rana pipiens): Identifying critically vulnerable periods of development
Keywords: تمایز جنسیتی; Endocrine disruption; Estrogenic; Ethinylestradiol; Histology; Metamorphosis; Northern leopard frog; Rana pipiens; Sex differentiation; Tadpole