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. 2015 Mar 15;22(14):10930–10942. doi: 10.1007/s11356-015-4245-9

Fig. 2.

Fig. 2

Cloacal glands in the control quails were well developed with foam formation (a, c) and atrophied cloacal gland in the PNP-treated quails (high (b) and mid-dose (d)) with less or no foam formation