Chau, Pham, Anh, Nguyen, Quang, Le, Ha, Phan, Mai, Nguyen, AND Anh, Dao. " Investigation of Proteinase Protein Inhibitors (PPIs) from Seeds of Certain Plants belonging to Moraceae Family and other Ones" VNU Journal of Science: Natural Sciences and Technology [Online], Volume 15 Number 3 (15 September 1999)