Bibliografisk träff 2011-11-07 From retrospective assessment to prospective decisions in natural product isolation: HPLC-SPE-NMR analysis of Carthamus oxyacantha. Johansen KT, Wubshet SG, Nyberg NT, Jaroszewski JW. J Nat Prod · research support, non-u.s. gov't; journal article · DOI 10.1021/np200780m