"International Strategies for Tropical Disease Treatments - Experiences with Praziquantel - EDM Research Series No. 026: Chapter 2: Bayer & E. Merck: Discovery and development of praziquantel*: Competing drugs for schistosomiasis treatment". apps.who.int.
Truy cập ngày 8 tháng 12 năm 2016.  ^ “International Strategies for Tropical Disease Treatments - Experiences with Praziquantel - EDM Research Series No. 026: Chapter 2: Bayer & E. Merck: Discovery and development of praziquantel*: Competing drugs for schistosomiasis treatment”. apps.who.int.