^“Sequence, expression and modeled structure of an aspartic proteinase from the human malaria parasite Plasmodium falciparum”. Molecular and Biochemical Parasitology64 (2): 177?90. (April 1994). doi:10.1016/0166-6851(94)90024-8. PMID7935597.
^“High level expression and characterisation of Plasmepsin II, an aspartic proteinase from Plasmodium falciparum”. FEBS Letters352 (2): 155?8. (September 1994). doi:10.1016/0014-5793(94)00940-6. PMID7925966.