Davies, M. J., Atkinson, C. J., Burns, C., Arroo, R. and Woolley, J. (2011) Increases in leaf artemisinin concentration in Artemisia annua in response to the application of phosphorus and boron. Industrial Crops and Products, 34 (3). pp. 1465-1473. ISSN 0926-6690 (doi:https://doi.org/10.1016/j.indcrop.2011.05.002)