New polyether triterpenoids from Laurencia viridis and their biological evaluation.

Mar Drugs · 2011 · PMC3229232 · PMID 22163183

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highly significantno p-value reported

This class of polyether squalene natural products shows a variety of biological properties where its cytotoxicity against breast cancer cells is highly significant [ 5 , 9 , 17 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.