Molecular differentiation of Atractylodes drugs by PCR-restriction fragment length polymorphism and PCR-selective restriction analysis on the 18S-5.8S rDNA intratranscribed spacer 1 gene - Cheng,H.F.; Lai,B.; Chan,S.C.; Chou,C.P.; Yang,T.H.; Huang,W.H. (J Food Drug Anal, 1997)