Ma, X.- qing; Li, S.- mei; Chan, C. L.; Su, T.; Cheng, B. C.-Y.; Li, W.- dong; Fun Fong, D. W.; Yu, Z.- ling. INFLUENCE OF SULFUR FUMIGATION ON VOLATILE OIL CONSTITUENTS OF CODONOPSIS RADIX (DANGSHEN) BY GC-MS METHOD. Afr J Tradit Complement Altern Med 2016, 13, 197-202.