Rodríguez-Solana R, Carlier JDias, Costa MClara, Romano A. Multi-element characterisation of carob, fig and almond liqueurs by MP-AES. Journal of the Institute of Brewing. 2018. doi:10.1002/jib.495

Correia S, Matos M, Ferreira V, et al. Molecular instability induced by aluminum stress in Plantago species. Mutation Research/Genetic Toxicology and Environmental Mutagenesis. 2014;770:105 - 111. doi:10.1016/j.mrgentox.2014.06.002

Martins N, Gonçalves S, Romano A. Metabolism and aluminum accumulation in Plantago almogravensis and P. algarbiensis in response to low pH and aluminum stress. Biologia Plantarum. 2013;57(2):325-331. doi:10.1007/s10535-012-0271-3

Martins N, Gonçalves S, Romano A. Metabolism and aluminum accumulation in Plantago almogravensis and P. algarbiensis in response to low pH and aluminum stress. Biologia Plantarum. 2013;57(2):325-331. doi:10.1007/s10535-012-0271-3

Gonçalves S, Martins N, Romano A. Micropropagation and conservation of endangered species Plantago algarbiensis and P. almogravensis. Biologia Plantarum. 2009;53(4):774-778. doi:10.1007/s10535-009-0142-8