T. Ino et al., “Direct projections from Ammon’s horn to the rostral raphe regions in the brainstem of the cat,” Brain Research, vol. 479, no. 1. Elsevier, pp. 157–161, 1989.

T. Ino, K. Itoh, H. Kamiya, R. Shigemoto, I. Akiguchi, and N. Mizuno, “Direct projections of non-pyramidal neurons of Ammon’s horn to the supramammillary region in the cat,” Brain Research, vol. 460, no. 1. Elsevier, pp. 173–177, 1988.

T. Kaneko, R. Shigemoto, and N. Mizuno, “Metabolism of glutamate and ammonia in astrocyte an immunocytochemical study,” Brain Research, vol. 457, no. 1. Elsevier, pp. 160–164, 1988.