1. Bureau of Preventive Medicine, Department of Health, Peoples Republic of China (1955) : Materials for Prevention of Disease, No. 5 (text in Chinese) .
2. Chou, H. J. et al. (1952) : Study of Chinese materia medica (Croton tiglium) as an agent for molluscicidal purpose. Chunghua Hsin Ishue (China New Medicine) , 3 (6) , 457-493 (text in Chinese) .
3. Health Center of Chekiang Province (1956) : Ascites weed as an agent for the treatment of ascites of schistosomiasis in its end stage. Chunghua Ishue Tsashih (China M. J.) , 42 (5) , 421-423 (text in Chinese) .
4. Institute of Schistosomiasis in Chekiang (1956) : Chun-Tsuong and Hu-Lu as a treatment agent for schistosomiasis of end stage. Chunghua Ishue Tsashih (China M. J.) , 42 (5) , 419-420 (text in Chinese) .
5. Komiya, Y. et al. (1957) : Study on the food habit of Oncomelania I. A new simple technic for studying the food habit of Oncomelania and an information on the foodhabit of Oncomelania hupensis. Jap. J. Ecol., 7 (1) , 18-22 (text in Japanese with English summary) .