H Kudo, S Suzuki, K Kuwa, T Nakayama, M Maemura and S Sakamoto (1997) “Effects of macrophage- and granulocyte-colony stimulating factors on thymidylate synthase and thymidine kinase activity in rat hematopoietic cells”, Haematologica. Pavia, Italy, 82(2), pp. 187-188. doi: 10.3324/%x.