Yasui, T., Tsukise, A., Nara, T., Kuwahara, Y. and Meyer, W. (2009) “Morphological, histochemical and immunohistochemical characterization of secretory production of the ciliary glands in the porcine eyelid”, European Journal of Histochemistry, 50(2), pp. 99–108. doi: 10.4081/979.