Robuta

https://hsrc.himmelfarb.gwu.edu/smhs_medicine_facpubs/3642/ "Antigenic variation of a cysteine-rich protein in giardia lamblia" by Rodney D. Adam, Anita... By Rodney D. Adam, Anita Aggarwal, Altaf A. Lal, et al., Published on 01/01/88 cysteine rich protein antigenic variation giardia lamblia rodney adam