1. Ammirato PV (1973) Some effects of abscisic acid on the development of embryos from caraway cells in suspension culture. Am J Bot 60:22–23
2. Cheng Lu-sheng (1965a) Introduction and propagation of lovage (Levisticum officinale Koch.). Acta Pharm Sin 12:276–285
3. Cheng Lu-sheng (1965b) Observation on the biological characteristics of lovage (Levisticum officinale Koch.). Acta Pharm Sin 12: 336–345
4. Cheng Yaozu, Li Zhaolin, Xue Duenguan, Han Hui (1986) Analysis of a volatile constituent of Chinese medicinal herb by Flash distillation/Capillary gas chromatography/Mass spectrometry. Chem J Chin Univ 2(1) 13–18
5. Chu CC, Wang CC, Sun CS, Hsu C, Yin KC, Chu CY, Bi FY (1975) Establishment of an efficient medium for anther culture of rice through comparative experiments of the nitrogen sources. Sci Sin 18:659–668