The relationship between the frequency-distribution of Ascaris lumbricoides and the prevalence and intensity of infection in human communities.

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.