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Fig. 1 | BMC Medicine

Fig. 1

From: Maternal smoking and high BMI disrupt thyroid gland development

Fig. 1

Immunohistochemical staining of human fetal thyroid sections. Representative images are shown for the immunostaining for TTF1, PAX8, calcitonin, NIS, and FOXA2 (ae) including examples of the different scores ranging from weak (+) to strong ++. Negative controls that were not probed with primary antibodies are shown in panel a. Gestational ages (weeks) and scale bars (μm) are shown on the bottom left and right side of each image, respectively. Arrow in panel c indicates stained cell

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