Carvalho, H. G., Lopes-Cardoso, I. A., Lima, L. M., Melo, P. M., & Cullimore, J. V. (2003). Nodule-Specific Modulation of Glutamine Synthetase in Transgenic Medicago truncatula Leads to Inverse Alterations in Asparagine Synthetase Expression. The American Society for Plant Biologists.

Carvalho, Helena G., Inês A. Lopes-Cardoso, Ligia M. Lima, Paula M. Melo, e Julie V. Cullimore. Nodule-Specific Modulation of Glutamine Synthetase in Transgenic Medicago Truncatula Leads to Inverse Alterations in Asparagine Synthetase Expression. The American Society for Plant Biologists, 2003.

Carvalho, Helena G., et al. Nodule-Specific Modulation of Glutamine Synthetase in Transgenic Medicago Truncatula Leads to Inverse Alterations in Asparagine Synthetase Expression. The American Society for Plant Biologists, 2003.