1. Shirai, T.: Periodical observations of the glandular stomach in rats treated with N-methyl-N’-nitro-N-nitrosoguanidine. Nagoya Med J, 19: 155-167, 1974.
2. Hananouchi, M.: Electron microscopic studies on experimental gastric cancer of the glandular stomach in rats. Nagoya Med J, 19: 169-174, 1974.
3. Arai, M., Kani, T., Sugihara, S., Matsumura, K., Miyata, Y., Shinohara, Y., Ito, N.: Scanning and transmission electron microscopy of changes in the urinary bladder in rats treated with N-butyl-N-(4-hydroxybutyl)nitrosamine. Gann, 65: 529-540, 1974.
4. Hananouchi, M., Fukushima, S., Takahashi, M.: Electron microscopic studies on experimental undifferentiated adenocarcinomas of glandular stomach in rats. Gann, 65:323-330, 1974.
5. Fukushima, S., Tatematsu, M., Takahashi, M.: Combined effect of various surfactants on gastric carcinogenesis in rats treated with N-methyl-N’-nitro-N-nitrosoguanidine. Gann, 65:371-376, 1974.