- Ghrelin immunohistochemistry of gastric adenocarcinoma and mucoepidermoid carcinoma of salivary gland. Aydin, S., Ozercan, I.H., Dagli, F., Aydin, S., Dogru, O., Celebi, S., Akin, O., Guzel, S.P. Biotechnic & histochemistry : official publication of the Biological Stain Commission. (2005)