Gibson, WC., Osinga, KA., Michels, PAM., & Borst, P. (1985). Trypanosomes of Subgenus Trypanozoon Are Diploid for Housekeeping Genes. Molecular and Biochemical Parasitology, 16(3), 231-242. https://doi.org/10.1016/0166-6851(85)90066-0 (Original work published 1985)