1. Cryopreservation of the promastigote form of Leishmania tropica var major at different cooling rates;Callow;Int. J. Parasitol,1973
2. Preservation of viable malaria parasites in the frozen state;Coggeshall,1939
3. Effect of different thawing rates from −80 °C to approximately 0 °C on the infectivity of Trypanosoma brucei subgroup organisms;Cunningham;East African Trypanosomiasis Research Organization Annual Report,1963
4. Survival of the parasitic protozoan, Babesia bigemina, in blood cooled at widely different rates to −196 °C;Dalgliesh;In. J. Parasitol,1974
5. Bioassay to measure effects of cooling and warming rates and protection by dimethylsuphoxide on survival of frozen Babesia radhaini;Dalgliesh;Cryobiology,1976