Wulf, A., Manthey, K., Doll, J., Perlick, A. M., Linke, B., Bekel, T., et al. (2003). Transcriptional changes in response to arbuscular mycorrhiza development in the model plant Medicago truncatula. Molecular Plant-Microbe Interactions, 16(4), 306-314. doi:10.1094/MPMI.2003.16.4.306.