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pubmed.ncbi.nlm.nih.gov
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Cooke, B; Ernst, E (2000). „Aromatherapy: A systematic review“. British Journal of General Practice. 50-jild, № 455. 493–6-bet. PMC1313734. PMID10962794.
Curk, Franck; Ollitrault, Frédérique; Garcia-Lor, Andres; Luro, François; Navarro, Luis; Ollitrault, Patrick (2016). „Phylogenetic origin of limes and lemons revealed by cytoplasmic and nuclear markers“. Annals of Botany. 11-jild, № 4. 565–583-bet. doi:10.1093/aob/mcw005. PMC4817432. PMID26944784.