- Abnormal expression of epidermal growth factor and its receptor in the forebrain and serum of schizophrenic patients. Futamura, T., Toyooka, K., Iritani, S., Niizato, K., Nakamura, R., Tsuchiya, K., Someya, T., Kakita, A., Takahashi, H., Nawa, H. Mol. Psychiatry (2002)