SANGSAI, A., MOOSOPHON, P. and TRONGPANICH, Y. 2015. Purification of Pyridoxamine and Pyridoxamine 5´-Phosphate from Culture Broth of Rhizobium sp. 6.1C1. Walailak Journal of Science and Technology (WJST). 13, 10 (Dec. 2015), 837–847.