Bibliografisk träff 2005-05-01 Comparative qualitative and quantitative determination of alkaloids in narcotic and condiment Papaver somniferum cultivars. Frick S, Kramell R, Schmidt J, Fist AJ, Kutchan TM. J Nat Prod · research support, non-u.s. gov't; journal article · DOI 10.1021/np0496643