Rickard, J.P.; Pool, K.; Graaf, S.P. de; Portas, T.; Rourke, N.; Wiesner, M.; Hildebrandt, T.B.; Goeritz, F.; Hermes, R. 2022. Increasing the yield and cryosurvival of spermatozoa from rhinoceros ejaculates using the enzyme Papain. Biology 11 (154): 1-16. doi.org/10.3390/biology11020154






