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Wong, K.C.; Lee, B.C.; Lam, N.F.; Ibrahim, P., Essential oils of the rhizomes of Alpinia conchigera Griff. and Alpinia latilabris Ridl., Flavour Fragr. J., 2005, 20, 4, 431-433, https://doi.org/10.1002/ffj.1458 . [all data]