A study to determine causal relationships of toxoplasmosis to mental retardation November 8, 1971 Mackie MJ, Fiscus AG, Pallister P. American Journal of Epidemiology 1971; 94: 215-221 The incidence of toxoplasma antibodies in mental hospital patients November 9, 1961 Cook I, Derrick EH Australasian Annals of Medicine 1961; 10: 137-141.
The incidence of toxoplasma antibodies in mental hospital patients November 9, 1961 Cook I, Derrick EH Australasian Annals of Medicine 1961; 10: 137-141.