Composition #1: Wang, D., Xia, MY., Cui, Z., Tashiro, S., Onodera, S., Ikejima, T. Cytotoxic effects of mansonone E and F isolated from Ulmus pumila. BIOLOGICAL & PHARMACEUTICAL BULLETIN, 2004, vol. 27, no. 7, p. 1025–1030. DOI: 10.1248/bpb.27.1025.
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