Guyatt, H. L., D. A. P. Bundy, G. F. Medley, and B. T. Grenfell. 1990. The relationship between the frequency-distribution of Ascaris lumbricoides and the prevalence and intensity of infection in human communities. Parasitology 101:139-143.
Guyatt, H. L., D. A. P. Bundy, G. F. Medley, and B. T. Grenfell. 1990. The relationship between the frequency-distribution of Ascaris lumbricoides and the prevalence and intensity of infection in human communities. Parasitology 101:139-143.