1.
Additional Observations on the Sporozoite Transmission of Plasmodium knowlesi to Monkeys
by Collins, William E
The Journal of parasitology, 2004-08, Vol.90 (4), p.866-867

2.
Susceptibility of Macaca fascicularis Monkeys from Mauritius to Different Species of Plasmodium
by COLLINS, W. E
The Journal of parasitology, 1992-06-01, Vol.78 (3), p.505-511
